About the Authors

Bin Ma

Affiliation Evidence-Based Medicine Center, Institute of Traditional Chinese and Western Medicine, School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu, China

Jiwu Guo

Affiliations Evidence-Based Medicine Center, Institute of Traditional Chinese and Western Medicine, School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu, China, Second School of Clinical Medicine of Lanzhou University, Lanzhou, Gansu, China

Guoqing Qi

Affiliation Evidence-Based Medicine Center, Institute of Traditional Chinese and Western Medicine, School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu, China

Haimin Li

Affiliation Evidence-Based Medicine Center, Institute of Traditional Chinese and Western Medicine, School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu, China

Jiye Peng

Affiliation The Library of Lanzhou University, Lanzhou, Gansu, China

Yulong Zhang

Affiliations Evidence-Based Medicine Center, Institute of Traditional Chinese and Western Medicine, School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu, China, Second School of Clinical Medicine of Lanzhou University, Lanzhou, Gansu, China

Yanqin Ding

Affiliation Evidence-Based Medicine Center, Institute of Traditional Chinese and Western Medicine, School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu, China

Kehu Yang

kehuyangebm2006@126.com

Affiliation Evidence-Based Medicine Center, Institute of Traditional Chinese and Western Medicine, School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BM KY J-WG G-QQ H-ML. Analyzed the data: J-WG BM J-YP Y-LZ Y-QD. Wrote the paper: BM J-WG. Extracted data from trials: J-WG BM. Final approval of manuscript: BM J-WG G-QQ H-ML J-YP Y-LZ Y-QD K-HY.