[1] Fukushima Med Univ, Sch Med, Dept Cellular & Integrat Physiol, 1 Hikari Ga Oka, Fukushima, Fukushima 9601295, Japan
[2] Fukushima Med Univ, Sch Hlth Sci, Dept Clin Lab Sci, 10-6 Sakae Machi, Fukushima, Fukushima 9608516, Japan
[3] Suwa Matern Clin, Shimizu Inst Space Physiol, 112-13 Yagi Machi,Shimosuwa Machi, Nagano 3930077, Japan
[4] Seijinkai Mihama Hosp, 1-1-5 Utase,Mihama Ku, Chiba, Chiba 2610013, Japan