1. First Department of Integrated Medicine, Saitama Medical Center, Jichi Medical University, Saitama, Japan
2. Division of Integrative Physiology, Department of Physiology, Jichi Medical University, Tochigi, Japan
3. Minamiuonuma City Hospital, Niigata, Japan
4. Nerima Hikarigaoka Hospital, Tokyo, Japan
5. Saitama Citizens Medical Center, Saitama, Japan