1. Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
2. Key Laboratory of Evidence-Based Medicine and Knowledge Translation of Gansu Province, Lanzhou 730000, China
3. Center for Medical Device Evaluation, National Medical Products Administration, Beijing 100081, China
4. School of Basic Medicine, Xinxiang Medical University, Xinxiang 453000, China
5. School of Public Health, Gansu University of Chinese Medicine, Lanzhou 730000, China
6. Key Laboratory of Evidence-Based Medicine of Gansu Province, Lanzhou 730000, China