Cohort Profile: Community-based prospective cohort from the National Cancer Center, Korea. (20th December 2015) - Oh, Jin-Kyoung; Lim, Min Kyung; Yun, E Hwa; Choi, Min-Ho; Hong, Sung-Tae; Chang, Soung-Hoon; Park, Sue Kyung; Cho, Sung-Il; Kim, Dong-Hyun; Yoo, Keun-Young; Shin, Hai-Rim