Marques, Linnarsson and Castelo-Branco (image) Karolinska Institutet Share Print E-Mail Caption Sueli Marques, Sten Linnarsson and Gonçalo Castelo-Branco are pictured. Credit Ulf Sirborn Usage Restrictions This image can only be used in editorial reports about this study. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.