1. Department of Public Health, William Paterson University, Wayne, New Jersey, United States of America
2. Department of Epidemiology and Environmental Health Sciences, Jiann-Ping Hsu College of Public Health, Georgia Southern University, Statesboro, Georgia, United States of America
3. Department of Biostatistics, Jiann-Ping Hsu College of Public Health, Georgia Southern University, Statesboro, Georgia, United States of America
4. Teachers College, Columbia University, New York City, New York, United States of America