1. Cancer Registration and Statistic Branch; National Cancer Control Institute; National Cancer Center; Goyang Korea
2. Department of Cancer Control and Policy; Graduate School of Cancer Science and Policy; National Cancer Center; Goyang Korea
3. Cancer Early Detection Branch; National Cancer Control Institute; National Cancer Center; Goyang Korea
4. Cancer Information and Education Branch; National Cancer Control Institute; National Cancer Center; Goyang Korea
5. Department of Occupational and Environmental Medicine; International St. Mary's Hospital; Catholic Kwandong University; Gangneung Korea
6. Department of Preventive Medicine; School of Medicine; Kyung Hee University; Seoul Korea