1. Department of Family and Preventive Medicine University of Utah Health Salt Lake City Utah USA
2. Department of Epidemiology and Biostatistics, Mel and Enid Zuckerman College of Public Health University of Arizona Tucson Arizona USA
3. College of Health and Human Services George Mason University Fairfax Virginia USA
4. Department of Internal Medicine University of Utah Health Salt Lake City Utah USA
5. Department of Obstetrics and Gynecology University of Utah Health Salt Lake City Utah USA