An JX
Pain and Sleep Medicine Center, Rapid Anti-depression Center, The Affiliated Hospital of Shandong Second Medical University, Weifang, China; Medical School, University of Chinese Academy of Sciences, Beijing, 100012, China; Institute for lnnovation Diagnosis & Treatment in Anesthesiology, Shandong Second Medical University, Weifang, China; Department of Anesthesiology, University of Pittsburgh School of Medicine, Pittsburgh, USA; Brain Disease Institute & Department of Anesthesiology for the Integrated Traditional Chinese and Western Medicine Hospital, Southern Medical University, Guangzhou, China. Electronic address: anjianxiong@yeah.net.