1. Yonsei Global Health Center, Yonsei University, Wonju, South Korea
2. Department of Health Administration, Graduate School, Yonsei University, Wonju, South Korea
3. Institute for Poverty Alleviation and International Development, Yonsei University, Wonju, South Korea
4. Department of Family Medicine, Wonju College of Medicine, Yonsei University, Wonju, South Korea