Authors
A. Oda
Japanese Red Cross, Ibaraki, Osaka, Japan
N. Matsuyama
Japanese Red Cross, Ibaraki, Osaka, Japan
M. Hirashima
Japanese Red Cross, Ibaraki, Osaka, Japan
H. Ishii
Japanese Red Cross, Ibaraki, Osaka, Japan
K. Kimura
Japanese Red Cross, Ibaraki, Osaka, Japan
H. Matsukura
Japanese Red Cross, Ibaraki, Osaka, Japan
F. Hirayama
Japanese Red Cross, Ibaraki, Osaka, Japan
K. Kawa
Japanese Red Cross, Ibaraki, Osaka, Japan
Y. Fukumori
Japanese Red Cross, Ibaraki, Osaka, Japan