Xu, Li-Li
Yang, Yuan
Wang, Zhen
Wang, Xiao-Juan
Tong, Zhao-Hui
Shi, Huan-Zhong
Funding for this research was provided by:
National Natural Science Foundation of China (81730046, 31470883)
Beijing Municipal Administration of Hospitals’ Mission Plan (SML20150301)
Article History
Received: 6 February 2018
Accepted: 23 March 2018
First Online: 3 April 2018
Ethics approval and consent to participate
: The study protocol was approved by the Institutional Review Boards for human studies of Beijing Chaoyang Hospital, China. Informed consents were not required as this was considered a review of clinical practice.
: Not applicable.
: The authors declare that they have no competing interests.
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