1. Sleep Medicine Center, Department of Respiratory and Critical Care Medicine, Translational Neuroscience Center, State Key Laboratory, West China Hospital, Sichuan University, Chengdu, China;
2. Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota;
3. Peking University Sixth Hospital, Peking University Institute of Mental Health, NHC Key Laboratory of Mental Health (Peking University), National Clinical Research Center for Mental Disorders (Peking University Sixth Hospital), Beijing, China