1. Department of Orthopedic Surgery; Kunming General Hospital of Chengdu Military Command; Kunming China
2. Department of Biomedical Engineering; Duke University; Durham NC USA
3. Department of Anesthesia, Critical Care and Pain Medicine, MGH Center for Translational Pain Research; Massachusetts General Hospital, Harvard Medical School; Boston MA USA
4. Department of Anesthesiology; Kunming General Hospital of Chengdu Military Command; Kunming China