Affiliation: | 1. Luxembourg Institute of Health (L.I.H.) (formerly CRP-Santé), Epidemiology and Public Health Research Unit (EPHRU), Strassen, Luxembourg;2. University of Maastricht, Department of Health Education & Promotion, Netherlands;3. Cancer Prevention and Control Program, University of South Carolina, Columbia, SC 29208, USA;4. Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC 29208, USA |