1. Department of Health and Physical Activity, Physical Activity and Weight Management Research Center; University of Pittsburgh; Pittsburgh Pennsylvania USA
2. Department of Health Behavior, Gillings School of Global Public Health; University of North Carolina at Chapel Hill; Chapel Hill North Carolina USA
3. Department of Nutrition, Lineberger Comprehensive Cancer Center; University of North Carolina at Chapel Hill; Chapel Hill North Carolina USA
4. Division of Public Health Sciences, Department of Biostatistical Sciences; Wake Forest University; Winston-Salem North Carolina USA