1. Department of General Practice, Shenzhen People’s Hospital, Southern University of Science and Technology (SUSTech), Shenzhen, China
2. Department of General Practice, Sichuan Provincial People’s Hospital, University of Electronic Science and Technology of China, Chengdu, China
3. The Jingmi Community Health Service Center affiliated to Shenzhen Hospital of Guangzhou University of Chinese Medicine (Futian), Shenzhen, China