Weyer Veronika, Blettner Maria, Cholmakow-Bodechtel Constanze, Heudorf Ursel
Institute of Medical Biostatistics, Epidemiology and Informatics, University Medical Center Mainz, Obere Zahlbacher Straße 69, 55131, Mainz, Germany,
Eur J Epidemiol. 2014 Jan;29(1):73-6. doi: 10.1007/s10654-013-9870-3. Epub 2013 Dec 11.