Author(s)
Otsuki A, Otsuki T, Tokunaga H, Niikura H, Nagase S, Sugiyama T, Toyoshima M, Utsunomiya H, Yokoyama Y, Mizunuma H, Sato N, Terada Y, Shoji T, Sugiyama T, Nakahara K, Ohta T, Yamada H, Tase T, Nishiyama H, Fujimori K, Takano T, Takahashi F, Watanabe Y, Yaegashi N