1. Department of Pulmonary and Critical Care Medicine, General Hospital of Ningxia Medical University, Yinchuan, China
2. Department of Rheumatology, General Hospital of Ningxia Medical University, Yinchuan, China
3. Center of Laboratory Medicine, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, China
4. Human Stem Cell Institute, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, China
5. Department of Clinical Oncology, Queen Elizabeth Hospital, Kowloon, Hong Kong