Authors: Anil Rana; Erwin Seinen; Katarzyna Siudeja; Remco Muntendam; Balaji Srinivasan; Johannes J van der Want; Susan Hayflick; Dirk-Jan Reijngoud; Oliver Kayser; Ody C M Sibon Journal: Proc Natl Acad Sci U S A Date: 2010-03-29 Impact factor: 11.205