1. Department of Central Laboratory, Qinghai University Affiliated Hospital, Xining, Qinghai, China (mainland)
2. Department of General Medicine, Lanzhou University Second Hospital, Lanzhou, Gansu, China (mainland)
3. Department of Clinical Laboratory, People’s Hospital of Gansu Province, Lanzhou, Gansu, China (mainland)
4. Stomatological Hospital of the Lanzhou University, Lanzhou, Gansu, China (mainland)
5. Department of Hypertension, Lanzhou University Second Hospital, Lanzhou, Gansu, China (mainland)