1. Department of General Internal Medicine, Peking University People’s Hospital, Beijing, People’s Republic of China
2. Lyon Neuroscience Research Center, INSERM U1028-CNRS UMR 5292, School of Medicine, University Claude Bernard, Lyon, France
3. Department of Radiology, Peking University International Hospital, Beijing, People’s Republic of China
4. Department of Neurology, Peking University People’s Hospital, Beijing, People’s Republic of China
5. Sleep Medicine Center, Department of Respiratory and Critical Care Medicine, Peking University People’s Hospital, Beijing, People’s Republic of China