Figure 2. The EPOCH-JAPAN cohort study sites. Each point on the map represents a study site where an EPOCH-JAPAN cohorts were located. The names of the studies are as follows: 1: Tanno-Sobetsu, 2: Ohasama, 3: Osaki, 4: Ibaraki prefecture, 5: YKK workers, 6: Oyabe, 7: Shiga Health Insurance, 8: Suita, 9: Radiation Effects Research Foundation, 10: Hisayama. Three nationwide cohort studies (JACC study, NIPPON DATA80, and NIPPON DATA90) were also included in EPOCH-JAPAN.
