1. Department of Anesthesiology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
2. Department of Anesthesiology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
3. Pain Management Research Institute, Faculty of Medicine and Health, Northern Clinical School, The University of Sydney, Sydney, Australia
4. Kolling Institute, Northern Sydney Local Health District and The University of Sydney at Royal North Shore Hospital, Sydney, Australia