1. College of Medicine, University of Arkansas for Medical Sciences Northwest, 2708 S. 48th St., Springdale, AR 72762, USA
2. College of Medicine, University of Arkansas for Medical Sciences Northwest, 1125 N. College Ave, Fayetteville, AR 72701, USA
3. College of Medicine, University of Arkansas for Medical Sciences, 4301 W. Markham St, Little Rock, AR 72205, USA
4. Office of Community Health and Research, University of Arkansas for Medical Sciences Northwest, 2708 S. 48th St, Springdale, AR 72762, USA