1. Institute for Community Care and Health Equity, Chung-Ang University, Seoul, Korea
2. Red Cross College of Nursing, Chung-Ang University, Seoul, Korea
3. Department of Family Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
4. Division of Social Welfare, Baekseok University, Cheonan, Korea
5. Visiting Doctors Program of Medical Home, Seoul, Korea