1. Department of Cardiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250012, Shandong, China
2. Department of Cardiology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250012, Shandong, China
3. Department of Cardiology, The Fifth People’s Hospital of Jinan, Jinan 250022, Shandong, China
4. Department of Intensive Care Unit, Qinghai Red Cross Hospital, Xining 810000, Qinghai, China