1. Department of Aging Biology, Institute of Pathogenesis and Disease Prevention, Shinshu University Graduate School of Medicine, Matsumoto, Japan.
2. Shijiazhuang Obstetrics and Gynecology Hospital, Shijiazhuang, China.
3. Frontier Biochemical & Medical Research Laboratories, Kaneka Corporation, Hyogo, Japan.
4. Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan.
5. QOL Division, Kaneka Corporation, Osaka, Japan.
6. Council for SAM Research, Kyoto, Japan.