1. EPI Unit – Institute of Public Health, University of Porto, Portugal,
2. Department of Clinical Epidemiology, Predictive Medicine and Public Health, University of Porto Medical School, Porto, Portugal,
3. School of Sports and Leisure, Polytechnic Institute of Viana do Castelo, Portugal, and
4. Department of Clinical Epidemiology and Medical Technology Assessment & CARIM School for Cardiovascular Diseases, Maastricht University Medical Centre, Maastricht, The Netherlands