1. Department of Cardiac Pacing and Electrophysiology, Heart Center, First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China (mainland)
2. Department of Critical Care Medicine, Fifth Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China (mainland)
3. Department of Cardiology, People’s Hospital of Ningxia Hui Autonomous Region, Yinchuan, Ningxia, China (mainland)