1. Department of Pathology, Affiliated Hospital of Qinghai University, Xining, China
2. Research Center for High Altitude Medicine, Qinghai University, Xining, China
3. Department of Emergency, Qinghai Provincial People’s Hospital, Xining, China
4. Department of Virology, Qinghai Center for Disease Prevention and Control, Xining, China
5. Department of Oncology, Qinghai Province Cancer Hospital, Xining, China
6. Department of Oncology, Affiliated Hospital of Qinghai University, Xining, China