[1] Tokyo Womens Med Univ, Tokyo, Japan
[2] St Lukes Int Hosp, Tokyo, Japan
[3] Saitama Med Univ, Dept Endocrinol & Diabet, Saitama, Japan
[4] Univ Tokyo, Grad Sch Med, Dept Diabet & Metab Dis, Tokyo, Japan
[5] Natl Ctr Global Hlth & Med, Tokyo, Japan
[6] Jikei Univ, Sch Med, Tokyo, Japan
[7] Natl Canc Ctr, Dept Gen Internal Med Dent & Oncol Emergencies, 1-1 Tsukiji 5 Chome, Tokyo, Japan
[8] Kitasato Univ, Sch Med, Dept Biochem, Sagamihara, Kanagawa 228, Japan
[9] Natl Canc Ctr, Res Ctr Canc Prevent & Screening, Tokyo, Japan
[10] Nagoya Univ, Grad Sch Med, Dept Healthcare Adm, Nagoya, Aichi 4648601, Japan
[11] Mie Univ, Grad Sch Med, Dept Publ Hlth & Occupat Med, Tsu, Mie 514, Japan
[12] Univ Tokyo, Inst Med Sci, Ctr Antibody & Vaccine Therapy, Tokyo, Japan
[13] Natl Canc Ctr, Res Inst, Tokyo 104, Japan