1. Department of General Surgery; The People's Hospital of Pingyi County; Pingyi Shangdong China
2. Department of the Clinical Laboratory; Qingdao Municipal Hospital; Qingdao Shandong China
3. Department of Transfusion; The Affiliated Hospital of Qingdao University; Qingdao Shandong China
4. Department of Dermatology; The Affiliated Hospital of Qingdao University; Qingdao Shandong China