1. School of Public Health, University of Texas Health Science Center at Houston, Austin, TX, USA
2. Department of Kinesiology and Health Education, University of Texas at Austin, Austin, TX, USA
3. School of Exercise and Nutritional Sciences, San Diego State University, San Diego, CA, USA
4. Department of Epidemiology, University of Alabama at Birmingham, Birmingham, AL, USA
5. Department of Recreation Management and Physical Education, Appalachian State University, Boone, NC, USA
6. Department of Exercise Science, University of South Carolina, Columbia, SC, USA
7. Georgia Institute of Technology, Atlanta, GA, USA
8. College of Applied Human Sciences, West Virginia University, Morgantown, WV, USA