1. Department of Health, Human Performance, and Recreation, College of Education and Health Professions, University of Arkansas, Fayetteville, Arkansas, USA
2. Department of Family Medicine and Community Health, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
3. African Health and Education Network (RAES), Dakar, Senegal
4. Department of Biostatistics, School of Public Health, University of Michigan, Ann Arbor, Michigan, USA
5. Department of Community Health Sciences, UCLA Fielding School of Public Health, Los Angeles, California, USA
6. Department of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, California, USA
7. College of Public Health, The Ohio State University, Columbus, Ohio, USA