1. Department of Cardiovascular Medicine, Shenzhen Longhua District Central Hospital, Shenzhen 518110, Guangdong Province, China
2. Department of Cardiovascular Medicine, Longhua Hospital affiliated to Guangdong Medical University, Shenzhen 518110, Guangdong Province, China
3. Department of Cardiovascular Medicine, Qinghai Provincial People’s Hospital, Xining 810007, Qinghai Province, China