1. Public Health Program, Department of Kinesiology, College of Nursing and Health Innovation, University of Texas at Arlington , Arlington, Texas , USA
2. Population Studies Center, Institute for Social Research and School of Public Health, University of Michigan , Ann Arbor, Michigan , USA
3. School of Health Promotion and Kinesiology, College of Health Sciences, Texas Woman’s University , Denton, Texas , USA
4. Economics Department, Connecticut College , New London, Connecticut , USA
5. Institute for Social Research, University of Michigan , Ann Arbor, Michigan , USA
6. Department of Internal Medicine, University of Utah , Salt Lake City, Utah , USA