1. Department of Neurology Geriatric Diseases Institute of Chengdu/Cancer Prevention and Treatment Institute of Chengdu, Chengdu Fifth People's Hospital (The Second Clinical Medical College, Affiliated Fifth People's Hospital of Chengdu University of Traditional Chinese Medicine) Chengdu China
2. Chongqing University of Posts and Telecommunications Chongqing China
3. College of Nursing Wenzhou Medical University Wenzhou China
4. Department of Medicine Jinggangshan University Ji'an China
5. Department of Nephrology Chengdu Fifth People's Hospital Chengdu China
6. Department of Psychiatry and Behavioral Sciences Stanford University School of Medicine Palo Alto CA USA
7. Department of Ultrasound Medicine Chengdu Fifth People's Hospital Chengdu China