1. Assistant Professor, (karlingh@umn.edu), Division of Epidemiology and Community Health, School of Public Health University of Minnesota 1300 South Second Street Suite 300 Minneapolis MN 55454. USA
2. Associate Professor, (taledoux@central.uh.edu), Department of Health and Human Performance University of Houston 3875 Holman St. Rm 104 Garrison Houston TX 77204‐6015. USA
3. Associate Professor, (cajohn25@central.uh.edu), Department of Health and Human Performance University of Houston 3875 Holman St. Rm 104 Garrison Houston TX 77204‐6015. USA