1. Department of Anesthesiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kajiicho 465, Kamigyo-ku, Kyoto 6020841, Japan
2. Department of Pain Management and Palliative Care Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kajiicho 465, Kamigyo-ku, Kyoto 6020841, Japan
3. Department of Endocrinological and Breast Surgery, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kajiicho 465, Kamigyo-ku, Kyoto 6020841, Japan