Movies 1 and 2

<p>GST (Supp movie 1)<br>Movie was created by assembling together phase contrast images captured using the Cell-IQ controlled environmental chamber (CM technologies) every 15 minutes for 16 hours. To obtain a broader view of the well, each picture is a collage of 4 different pictures taken on adjacent positions. Scale bar is 500 um.</p> <p>S3ED (Supp movie 2)<br>Movie was created by assembling together phase contrast images captured using the Cell-IQ controlled environmental chamber (CM technologies) every 15 minutes for 16 hours. To obtain a broader view of the well, each picture is a collage of 4 different pictures taken on adjacent positions. Scale bar is 500 um.</p> <p> </p>