1. Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei, China
2. Department of Anesthesiology, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430060, China
3. Department of Pain, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei, China
4. Department of Oral and Maxillofacial Surgery, Laboratory for Tumor Genetics and Regenerative Medicine, The Head and Neurocenter, University Medical Center Hamburg-Eppendorf (UKE), Hamburg 20246, Germany