Schoeni-Affolter Franziska, Ledergerber Bruno, Rickenbach Martin, Rudin Christoph, Günthard Huldrych F, Telenti Amalio, Furrer Hansjakob, Yerly Sabine, Francioli Patrick
Data- and Coordination Center, University Hospital Center and University of Lausanne, Av. Pierre-Decker 2, 1011 Lausanne-CHUV, Switzerland.
Int J Epidemiol. 2010 Oct;39(5):1179-89. doi: 10.1093/ije/dyp321. Epub 2009 Nov 30.