1. Department of Cardiology, Shandong Provincial Hospital Affiliated to Shandong University, Ji’nan, Shandong, China (mainland)
2. Department of Cardiology, Shandong Provincial Qianfoshan Hospital, Shandong University, Ji’nan, Shandong, China (mainland)
3. Department of Emergency Medicine, Second People’s Hospital of Liaocheng, Linqing, Shandong, China (mainland)
4. Institute of Radiation Medicine, Shandong Academy of Medical Sciences, Ji’nan, Shandong, China (mainland)