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Operations have been funded principally through the sale of common stock and convertible preferred stock, capital leases, non-refundable payments under the former collaboration agreements with GlaxoSmithKline (GSK) and Hoffman-La Roche (Roche), and proceeds from term loans by General Electric Capital Corporation (GECC) and Oxford Finance Corporation (Oxford) (see Note&#160;9). At December&#160;31, 2013, the Company had approximately $91.5&#160;million in cash, cash equivalents and marketable securities.</font></p> <p style="FONT-FAMILY: times;"><font size="2">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;Based on the Company's current operating levels, it expects its cash resources will be sufficient to fund operations at least through the end of 2014. This estimate assumes that certain activities contemplated for 2014 will be conducted subject to the availability of sufficient financial resources. 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The Company bases its estimates on historical experience and various other assumptions that management believes to be reasonable under the circumstances. Changes in estimates are recorded in the period in which they become known. Actual results could differ from those estimates.</font></p> <p style="FONT-FAMILY: times;"><font size="2"><b>Cash and Cash Equivalents</b></font></p> <p style="FONT-FAMILY: times;"><font size="2">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;The Company considers all highly liquid investments with original maturities of three months or less at the date of purchase and an investment in a money market fund to be cash equivalents. 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Realized gains and losses and declines in value, if any, that the Company judges to be other-than-temporary on available-for-sale securities are reported as a component of interest expense, net. To determine whether an other-than-temporary impairment exists, the Company considers whether it intends to sell the debt security and, if the Company does not intend to sell the debt security, it considers available evidence to assess whether it is more likely than not that it will be required to sell the security before the recovery of its amortized cost basis. 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The pricing services utilize industry standard valuation models, including both income and market based approaches, for which all significant inputs are observable, either directly or indirectly, to estimate fair value. These inputs include reported trades of and broker-dealer quotes on the same or similar securities, issuer credit spreads, benchmark securities and other observable inputs. As of December, 2013, the Company's financial assets valued based on Level&#160;1 inputs consisted of cash and cash equivalents in a money market fund and its financial assets valued based on Level&#160;2 inputs consisted of high-grade corporate bonds and commercial paper. During the year ended December&#160;31, 2013, the Company did not have any transfers of financials assets between Levels&#160;1 and 2. As of December&#160;31, 2013, the Company did not have any financial liabilities that were recorded at fair value on the balance sheet. The disclosed fair value of the Company's term loan obligations is determined using current applicable rates for similar instruments as of the balance sheet date. The carrying value of the Company's term loan obligations approximates fair value as the Company's interest rate yield is near current market rate yields. The disclosed fair value of the Company's term loan obligations is based on Level&#160;3 inputs.</font></p> <p style="FONT-FAMILY: times;"><font size="2"><b>Property and Equipment</b></font></p> <p style="FONT-FAMILY: times;"><font size="2">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;Property, equipment and software is carried at cost and depreciated using the straight-line method over the estimated useful lives of the related assets, which range from three to five years. Leasehold improvements are amortized over the lesser of the lease term or estimated useful life. 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FONT-FAMILY: times;" align="right">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px;" valign="bottom" bgcolor="white"> <td style="FONT-FAMILY: times;"> <p style="TEXT-INDENT: -10pt; FONT-FAMILY: times; MARGIN-LEFT: 10pt;"><font size="2">Total revenues</font></p></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;" align="right"><font size="2">147</font></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;" align="right"><font size="2">&#8212;</font></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;" align="right"><font size="2">&#8212;</font></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;" align="right"><font size="2">&#8212;</font></td> <td style="FONT-FAMILY: times;"></td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px;" valign="bottom" bgcolor="#CCEEFF"> <td style="FONT-FAMILY: times;"> <p style="TEXT-INDENT: -10pt; FONT-FAMILY: times; MARGIN-LEFT: 10pt;"><font size="2">Operating expenses:</font></p></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;" align="right"></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;" align="right"></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;" align="right"></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;" align="right"></td> <td style="FONT-FAMILY: times;"></td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px;" valign="bottom" bgcolor="white"> <td style="FONT-FAMILY: times;"> <p style="TEXT-INDENT: -10pt; FONT-FAMILY: times; MARGIN-LEFT: 10pt;"><font size="2">Research and development</font></p></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;" align="right"><font size="2">12,066</font></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;" align="right"><font size="2">11,252</font></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;" align="right"><font size="2">11,743</font></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;" align="right"><font size="2">14,351</font></td> <td style="FONT-FAMILY: times;"></td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px;" valign="bottom" bgcolor="#CCEEFF"> <td style="FONT-FAMILY: times;"> <p style="TEXT-INDENT: -10pt; FONT-FAMILY: times; MARGIN-LEFT: 10pt;"><font size="2">General and administrative</font></p></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;" align="right"><font size="2">2,646</font></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;" align="right"><font size="2">2,882</font></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;" align="right"><font size="2">2,796</font></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;" align="right"><font size="2">3,352</font></td> <td style="FONT-FAMILY: times;"></td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT-SIZE: 1.5pt; PADDING-TOP: 0px;" valign="bottom" bgcolor="#ffffff"> <td style="LINE-HEIGHT: 0pt; FONT-FAMILY: times;"><!-- COMMAND=ADD_ROWSHADECOLOR,"#FFFFFF" --><!-- COMMAND=ADD_GUTTERGRID,"line-height:0pt;" --></td> <td style="LINE-HEIGHT: 0pt; FONT-FAMILY: times;"></td> <td style="BORDER-BOTTOM: #000000 1pt solid; LINE-HEIGHT: 0pt; FONT-FAMILY: times;" colspan="2" align="right"></td> <td style="LINE-HEIGHT: 0pt; FONT-FAMILY: times;"></td> <td style="BORDER-BOTTOM: #000000 1pt solid; LINE-HEIGHT: 0pt; FONT-FAMILY: times;" colspan="2" align="right"></td> <td style="LINE-HEIGHT: 0pt; FONT-FAMILY: times;"></td> <td style="BORDER-BOTTOM: #000000 1pt solid; LINE-HEIGHT: 0pt; FONT-FAMILY: times;" colspan="2" align="right"></td> <td style="LINE-HEIGHT: 0pt; FONT-FAMILY: times;"></td> <td style="BORDER-BOTTOM: #000000 1pt solid; LINE-HEIGHT: 0pt; FONT-FAMILY: times;" colspan="2" align="right"></td> <td style="LINE-HEIGHT: 0pt; FONT-FAMILY: times;"></td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px;" valign="bottom" bgcolor="#ffffff"> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;"><font size="2"><!-- COMMAND=ADD_ROWSHADECOLOR,"#FFFFFF" --><!-- COMMAND=ADD_GUTTERGRID,"line-height:0.1pt;" --></font>&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;" align="right">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;" align="right">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;" align="right">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;" align="right">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px;" valign="bottom" bgcolor="white"> <td style="FONT-FAMILY: times;"> <p style="TEXT-INDENT: -10pt; FONT-FAMILY: times; MARGIN-LEFT: 10pt;"><font size="2">Total operating expenses</font></p></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;" align="right"><font size="2">14,712</font></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;" align="right"><font size="2">14,134</font></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;" align="right"><font size="2">14,539</font></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;" align="right"><font size="2">17,703</font></td> <td style="FONT-FAMILY: times;"></td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT-SIZE: 1.5pt; PADDING-TOP: 0px;" valign="bottom" bgcolor="#ffffff"> <td style="LINE-HEIGHT: 0pt; FONT-FAMILY: times;"><!-- COMMAND=ADD_ROWSHADECOLOR,"#FFFFFF" --><!-- COMMAND=ADD_GUTTERGRID,"line-height:0pt;" --></td> <td style="LINE-HEIGHT: 0pt; FONT-FAMILY: times;"></td> <td style="BORDER-BOTTOM: #000000 1pt solid; LINE-HEIGHT: 0pt; FONT-FAMILY: times;" colspan="2" align="right"></td> <td style="LINE-HEIGHT: 0pt; FONT-FAMILY: times;"></td> <td style="BORDER-BOTTOM: #000000 1pt solid; LINE-HEIGHT: 0pt; FONT-FAMILY: times;" colspan="2" align="right"></td> <td style="LINE-HEIGHT: 0pt; FONT-FAMILY: times;"></td> <td style="BORDER-BOTTOM: #000000 1pt solid; LINE-HEIGHT: 0pt; FONT-FAMILY: times;" colspan="2" align="right"></td> <td style="LINE-HEIGHT: 0pt; FONT-FAMILY: times;"></td> <td style="BORDER-BOTTOM: #000000 1pt solid; LINE-HEIGHT: 0pt; FONT-FAMILY: times;" colspan="2" align="right"></td> <td style="LINE-HEIGHT: 0pt; FONT-FAMILY: times;"></td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px;" valign="bottom" bgcolor="#ffffff"> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;"><font size="2"><!-- COMMAND=ADD_ROWSHADECOLOR,"#FFFFFF" --><!-- COMMAND=ADD_GUTTERGRID,"line-height:0.1pt;" --></font>&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;" align="right">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;" align="right">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;" align="right">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;" align="right">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px;" valign="bottom" bgcolor="#CCEEFF"> <td style="FONT-FAMILY: times;"> <p style="TEXT-INDENT: -10pt; FONT-FAMILY: times; MARGIN-LEFT: 10pt;"><font size="2">Loss from operations</font></p></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;" align="right"><font size="2">(14,565</font></td> <td style="FONT-FAMILY: times;"><font size="2">)</font></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;" align="right"><font size="2">(14,134</font></td> <td style="FONT-FAMILY: times;"><font size="2">)</font></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;" align="right"><font size="2">(14,539</font></td> <td style="FONT-FAMILY: times;"><font size="2">)</font></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;" align="right"><font size="2">(17,703</font></td> <td style="FONT-FAMILY: times;"><font size="2">)</font></td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px;" valign="bottom" bgcolor="white"> <td style="FONT-FAMILY: times;"> <p style="TEXT-INDENT: -10pt; FONT-FAMILY: times; MARGIN-LEFT: 10pt;"><font size="2">Interest expense, net</font></p></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;" align="right"><font size="2">(486</font></td> <td style="FONT-FAMILY: times;"><font size="2">)</font></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;" align="right"><font size="2">(486</font></td> <td style="FONT-FAMILY: times;"><font size="2">)</font></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;" align="right"><font size="2">(457</font></td> <td style="FONT-FAMILY: times;"><font size="2">)</font></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;" align="right"><font size="2">(420</font></td> <td style="FONT-FAMILY: times;"><font size="2">)</font></td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT-SIZE: 1.5pt; PADDING-TOP: 0px;" valign="bottom" bgcolor="#ffffff"> <td style="LINE-HEIGHT: 0pt; FONT-FAMILY: times;"><!-- COMMAND=ADD_ROWSHADECOLOR,"#FFFFFF" --><!-- COMMAND=ADD_GUTTERGRID,"line-height:0pt;" --></td> <td style="LINE-HEIGHT: 0pt; FONT-FAMILY: times;"></td> <td style="BORDER-BOTTOM: #000000 1pt solid; LINE-HEIGHT: 0pt; FONT-FAMILY: times;" colspan="2" align="right"></td> <td style="LINE-HEIGHT: 0pt; FONT-FAMILY: times;"></td> <td style="BORDER-BOTTOM: #000000 1pt solid; LINE-HEIGHT: 0pt; FONT-FAMILY: times;" colspan="2" align="right"></td> <td style="LINE-HEIGHT: 0pt; FONT-FAMILY: times;"></td> <td style="BORDER-BOTTOM: #000000 1pt solid; LINE-HEIGHT: 0pt; FONT-FAMILY: times;" colspan="2" align="right"></td> <td style="LINE-HEIGHT: 0pt; FONT-FAMILY: times;"></td> <td style="BORDER-BOTTOM: #000000 1pt solid; LINE-HEIGHT: 0pt; FONT-FAMILY: times;" colspan="2" align="right"></td> <td style="LINE-HEIGHT: 0pt; FONT-FAMILY: times;"></td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px;" valign="bottom" bgcolor="#ffffff"> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;"><font size="2"><!-- COMMAND=ADD_ROWSHADECOLOR,"#FFFFFF" --><!-- COMMAND=ADD_GUTTERGRID,"line-height:0.1pt;" --></font>&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;" align="right">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;" align="right">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;" align="right">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;" align="right">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px;" valign="bottom" bgcolor="#CCEEFF"> <td style="FONT-FAMILY: times;"> <p style="TEXT-INDENT: -10pt; FONT-FAMILY: times; MARGIN-LEFT: 10pt;"><font size="2">Net loss</font></p></td> <td style="FONT-FAMILY: times;"></td> <td style="FONT-FAMILY: times;" align="right"><font size="2">$</font></td> <td style="FONT-FAMILY: times;" align="right"><font size="2">(15,051</font></td> <td style="FONT-FAMILY: times;"><font size="2">)</font></td> <td style="FONT-FAMILY: times;" align="right"><font size="2">$</font></td> <td style="FONT-FAMILY: times;" align="right"><font size="2">(14,620</font></td> <td style="FONT-FAMILY: times;"><font size="2">)</font></td> <td style="FONT-FAMILY: times;" align="right"><font size="2">$</font></td> <td style="FONT-FAMILY: times;" align="right"><font size="2">(14,996</font></td> <td style="FONT-FAMILY: times;"><font size="2">)</font></td> <td style="FONT-FAMILY: times;" align="right"><font size="2">$</font></td> <td style="FONT-FAMILY: times;" align="right"><font size="2">(18,123</font></td> <td style="FONT-FAMILY: times;"><font size="2">)</font></td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT-SIZE: 1.5pt; PADDING-TOP: 0px;" valign="bottom" bgcolor="#ffffff"> <td style="LINE-HEIGHT: 0pt; FONT-FAMILY: times;"><!-- COMMAND=ADD_ROWSHADECOLOR,"#FFFFFF" --><!-- COMMAND=ADD_GUTTERGRID,"line-height:0pt;" --></td> <td style="LINE-HEIGHT: 0pt; FONT-FAMILY: times;"></td> <td style="BORDER-BOTTOM: #000000 1pt solid; LINE-HEIGHT: 0pt; FONT-FAMILY: times;" colspan="2" align="right"></td> <td style="LINE-HEIGHT: 0pt; FONT-FAMILY: times;"></td> <td style="BORDER-BOTTOM: #000000 1pt solid; LINE-HEIGHT: 0pt; FONT-FAMILY: times;" colspan="2" align="right"></td> <td style="LINE-HEIGHT: 0pt; FONT-FAMILY: times;"></td> <td style="BORDER-BOTTOM: #000000 1pt solid; LINE-HEIGHT: 0pt; FONT-FAMILY: times;" colspan="2" align="right"></td> <td style="LINE-HEIGHT: 0pt; FONT-FAMILY: times;"></td> <td style="BORDER-BOTTOM: #000000 1pt solid; LINE-HEIGHT: 0pt; FONT-FAMILY: times;" colspan="2" align="right"></td> <td style="LINE-HEIGHT: 0pt; FONT-FAMILY: times;"></td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px;" valign="bottom" bgcolor="#ffffff"> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;"><font size="2"><!-- COMMAND=ADD_ROWSHADECOLOR,"#FFFFFF" --><!-- COMMAND=ADD_GUTTERGRID,"line-height:0.1pt;" --></font>&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;" align="right">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;" align="right">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;" align="right">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; FONT-FAMILY: times;">&#8203;</td> <td style="LINE-HEIGHT: 0.1pt; 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