1. Department of Cardiovascular Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China (mainland)
2. Department of Intensive Care Unit, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China (mainland)
3. Qingdao University Medical College, Qingdao University, Qingdao, Shandong, China (mainland)
4. Department of Scientific Research, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China (mainland)