Fredrik Lanner, Sophie Petropoulos & Rickard Sandberg (image) Karolinska Institutet Share Print E-Mail Caption Fredrik Lanner, Sophie Petropoulos, Rickard Sandberg and colleagues at Karolinska Institutet, Sweden, have analyzed the embryo's first week of development in detail. Credit Ulf Sirborn Usage Restrictions This image may only be published/reproduced in connection to editorial reports about the research of Fredrik Lanner, Sophie Petropoulos and Rickard Sandberg, Karolinska Institutet. The photographer must be credited. 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.