1. Department of Health Management and Policy, College for Public Health and Social Justice Saint Louis University Saint Louis Missouri USA
2. Center for Population Health and Aging, School of Public Health Texas A&M University College Station Texas USA
3. School of Economics Singapore Management University Singapore Singapore
4. Division of Epidemiology, Biostatistics, and Environmental Health, School of Public Health The University of Memphis Memphis Tennessee USA
5. Division of Health Services Management and Policy, College of Public Health The Ohio State University Columbus Ohio USA
6. Department of Psychiatry and Biobehavioral Sciences University of California Los Angeles California USA