1. College of PharmacyYonsei Institute of Pharmaceutical Sciences, Yonsei University Incheon Korea
2. Department of Preventive MedicineYonsei University College of Medicine Seoul Korea
3. Department of Hospital Management, Graduate School of Public HealthYonsei University Seoul Korea
4. Department of Biostatistics, Graduate School of Public HealthYonsei University Seoul Korea
5. Department of Health Care AdministrationKosin University Busan Korea
6. Department of Hospital Administration, Graduate School of Public HealthYonsei University Seoul Korea