aDepartment of Epidemiology, ‘Mario Negri’ Institute for Pharmacological Research
bDepartment of Occupational Health, Section of Medical Statistics, Universita' degli Studi di Milano, Milan, Italy
cDepartment of Health Sciences Public, University of Navarra, Pamplona, Spain
dAutonomas University of San Luis Potosí, Faculty of Medicine, San Luis Potosí, Mexico
eCancer Epidemiology Unit and Vaud and Neuchâtel Cancer Registries, Institute of Social and Preventive Medicine (IUMSP), Centre Hospitalier Universitaire Vaudois and University of Lausanne, Lausanne, Switzerland
Correspondence to Professor Carlo La Vecchia, MD, Department of Epidemiology, Istituto di Ricerche Farmacologiche ‘Mario Negri’, Via G. La Masa 19–20156, Milan, Italy Tel: +39 0239014527; fax: +39 0233200231; e-mail: [email protected]
Received November 17, 2010
Accepted February 28, 2011