Affiliation: | 1Center for Family and Community Medicine, Karolinska Institute, 141 83 Huddinge, Sweden;2Center for Primary Health Care Research, Lund University, 205 02 Malmö, Sweden;3Stanford Prevention Research Center, Stanford University School of Medicine, Stanford, CA 5411, USA;4Division of Molecular Genetic Epidemiology, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 580, D-69120 Heidelberg, Germany |