Authors: Peter Arner; Samuel Bernard; Mehran Salehpour; Göran Possnert; Jakob Liebl; Peter Steier; Bruce A Buchholz; Mats Eriksson; Erik Arner; Hans Hauner; Thomas Skurk; Mikael Rydén; Keith N Frayn; Kirsty L Spalding Journal: Nature Date: 2011-09-25 Impact factor: 49.962