1. Department of Preventive Medicine, Korea University College of Medicine, Seoul 02841, Republic of Korea
2. Department of Cancer Control and Population Health, National Cancer Center Graduate School of Cancer Science and Policy, Goyang 10408, Republic of Korea
3. Division of Cancer Prevention, National Cancer Control Institute, National Cancer Center, Goyang 10408, Republic of Korea
4. Department of Social and Preventive Medicine, Inha University College of Medicine, Incheon 22212, Republic of Korea