1. Department of Medical Administration, First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
2. Department of Infectious surgery, Xi’an 8th Hospital, Xi’an, China
3. Department of Clinical Laboratory, First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
4. Department of Administrative Office, First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
5. Department of Vascular surgery, First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China