1. Institute for Community Health Promotion, Department of Behavioral and Social Sciences, Brown University, P.O. Box G-S121-8, Providence, RI 02908, USA
2. Kinesiology & Health Science, Stephen F. Austin State University, P.O. Box 13015 SFA Station, Nacogdoches, TX 75962, USA
3. School of Human Environmental Sciences, University of Kentucky, Lexington, KY 40506, USA
4. Center for Health, Intervention, and Prevention, Department of Human Development and Family Studies, University of Connecticut, 348 Mansfield Road, Unit 1058, Room 320, Storrs, CT 06269, USA