1. The First Clinical Medical College, Lanzhou University, Lanzhou City, 730000, China
2. Gansu Academy of Traditional Chinese Medicine, Lanzhou, 730000, China
3. The First Affiliated Hospital of Kunming Medical University, Kunming, 650000, China
4. The Second Hospital of Lanzhou University, Lanzhou, 730000, China
5. Qingyang People's Hospital,
Qingyang City, Gansu Province, P.R. China