1. The University of Georgia, College of Public Health, Department of Health Promotion and Behavior, 330 River Road, 315 Ramsey Center, Athens, GA 30602, USA
2. Texas A&M Health Science Center, School of Rural Public Health, Department of Health Promotion and Community Health Sciences, TAMU 1266, College Station, TX 77843, USA
3. HSR Health Services, LLC, P.O. Box 571357, Murray, UT 84157, USA
4. Texas A&M Health Science Center, School of Rural Public Health, Department of Health Policy and Management, TAMU 1266, College Station, TX 77843, USA
5. The University of Memphis, School of Public Health, Division of Health Systems Management and Policy, Robison Hall 133, Memphis, TN 38152-3530, USA
6. Texas A&M Health Science Center, School of Rural Public Health, Center for Community Health Development, TAMU 1266, College Station, TX 77843, USA