Tarja I Kinnunen1
, Matti Pasanen1
, Minna Aittasalo1
, Mikael Fogelholm1,2
, Elisabete Weiderpass3,4,5
and Riitta Luoto1,6 
1
UKK Institute for Health Promotion Research, PO Box 30, 33501 Tampere, Finland
2
Research Unit, Pirkanmaa Hospital District, Tampere, Finland
3
Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
4
Department of Etiological Research, Institute of Population-Based Cancer Research, Cancer Registry of Norway, Oslo, Norway
5
Department of Genetical Epidemiology, Folkhalsan Research Center, Samfundet Folkhälsan, Helsinki, Finland
6
Tampere School of Public Health, the University of Tampere, Tampere, Finland