1. Post Graduate Program in Epidemiology Universidade Federal do Rio Grande do Sul Porto Alegre Rio Grande do Sul Brazil
2. Post Graduate Program in Health Sciences Universidade Federal do Rio Grande do Sul Porto Alegre Rio Grande do Sul Brazil
3. Post Graduate Program in Epidemiology Universidade Federal de Pelotas Pelotas Rio Grande do Sul Brazil
4. Postgraduate Program in Physical Education Universidade Federal de Pelotas Pelotas Rio Grande do Sul Brazil
5. Department of Kinesiology and Community Health University of Illinois Urbana‐Champaign Illinois USA
6. Division of Preventive Medicine, Brigham & Women's Hospital, Harvard Medical School; and Department of Epidemiology Harvard T.H. Chan School of Public Health Boston Massachusetts USA