What university do you go to? <a href=" http://www.boerderijpret.nl/growth-factor-price.pdf#monsieur ">fibroblast growth factor receptor 1 is essential for in vitro cardiomyocyte development</a> Since our inception, we have incurred significant operating losses, and, as of June 30, 2013, we had an accumulated deficit of $418.6m. Although our revenue has grown rapidly, increasing from $28.3m in 2010 to $316.9m in 2012, we expect that our revenue growth rate will slow in the future as a result of a variety of factors, including the gradual slow down in the growth rate of our user base.