1. Department of Healthcare Administration and Policy, University of Nevada Las Vegas, Las Vegas, NV, USA
2. School of Social Work, San Diego State University, San Diego, CA, USA
3. Department of Health Administration and Management, Soonchunhayng University, Asan, Chungcheongnam-do, Korea
4. Department of Family Medicine, Yonsei University of College of Medicine, Seoul, Korea
5. Department of Family Medicine, NV, USA
6. Department of Internal Medicine, University of Nevada Las Vegas School of Medicine, Las Vegas, NV, USA