1. Department of Anesthesiology and Critical Care Medicine, School of Medicine, Faculty of Medicine, Tottori University, Yonago 683-8504, Japan
2. Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Science, Okayama 700-8558, Japan
3. Department of Anesthesiology, Tokyo Women’s Medical University, Tokyo 162-8666, Japan
4. Department of Cardiology, Saitama Medical University International Medical Center, Hidaka 350-1298; and Higashimatsuyama Medical Association Hospital, Higashimatsuyama 355-0021, Japan
5. Clinical Statistics Group 2, Biometrics & Data Management, Pfizer R&D Japan, Tokyo 151-8589, Japan
6. Clinical Development Department, Maruishi Pharmaceutical Co., Ltd., Osaka 538-0042, Japan
7. Department of Anesthesiology, Keio University School of Medicine, Tokyo 151−8589, Japan; and National Hospital Organization, Tokyo Medical Center, Tokyo 152-8902, Japan