1. Pulmonology Respiratory and Critical Care Unit, Gansu Province Hospital of Traditional Chinese Medicine, Lanzhou, China.
2. Infectious Diseases Unit, First People's Hospital of Guannan County, Guannan, China.
3. Orthopedics, Lanzhou Traditional Chinese Medicine Hospital, Lanzhou, China.
4. Department of General Medicine, Affiliated Hospital of Yangzhou University, Yangzhou, China.