1. Department of Acupuncture and Moxibustion, Faculty of Health Care, Teikyo Heisei University, Tokyo, Japan.
2. Research Institute of Oriental Medicine, Teikyo Heisei University, Tokyo, Japan.
3. Department of Acupuncture and Moxibustion, Graduate School of Health Sciences, Teikyo Heisei University, Tokyo, Japan.
4. Human Life and Health Sciences, Graduate School of Arts and Sciences, The School of Graduate Studies, The Open University of Japan, Chiba, Japan.