Funding for this research was provided by:
National Natural Science Foundation of China (81572110)
Article History
Received: 31 January 2018
Accepted: 25 March 2018
First Online: 10 April 2018
Authors’ information
: Shibai Zhu (male, 2 December 1991) and Xi Chen (male, 7 October 1992) are medical postgraduates from the Department of Orthopedic Surgery, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Beijing, China. Yi Song (female, 1991.1.28) is a medical postgraduate from the Department of Endocrinology and Metabolism, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China. Wenwei Qian (male, 19 July 1972) is a doctor of medicine, professor, from the Department of Orthopedic Surgery, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Beijing, China.
: This is a meta-analysis; no relative problems exist.
: The authors declare that they have no competing interests.
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