Katharina Buck, Alina Vrieling, Aida Karina Zaineddin, Susen Becker, Anika Hüsing, Rudolf Kaaks, and Jenny Chang-Claude, German Cancer Research Center, Heidelberg; Jakob Linseisen, Institute of Epidemiology, Helmholtz Center Munich, Neuherberg; and Dieter Flesch-Janys, Center for Experimental Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.(At 2011-10-01)
