1. Department of Preventive Medicine, College of Medicine, Inje University, Busan, Korea.
2. Department of Cancer Control and Policy, Graduate School of Cancer Science and Policy, National Cancer Center, Goyang, Korea.
3. Department of Preventive Medicine, Gyeongsang National University School of Medicine, Jinju, Korea.
4. Department of Preventive Medicine, Chosun University Medical School, Gwangju, Korea.
5. Department of Internal Medicine, Inje University Busan Paik Hospital, Busan, Korea.
6. Department of Health and Medical Administration, Suncheon Jeil College, Jinju, Korea.
7. Department of Internal Medicine, Gyeongsang National University School of Medicine, Jinju, Korea.
8. Department of Internal Medicine, Chosun University Medical School, Gwangju, Korea.
9. Department of Preventive Medicine College of Medicine, Eulji University, Daejeon, Korea.