Cao, Xin-xin
Niu, Na
Sun, Jian
Cai, Hao
Wang, Feng-dan
Wang, Yi-ning
Duan, Ming-hui
Zhou, Dao-bin
Li, Jian
Article History
Received: 15 October 2018
Accepted: 21 December 2018
First Online: 10 January 2019
Ethics approval and consent to participate
: Informed consent was obtained from all patients and the protocol was approved by Peking Union Medical College Hospital Ethics Committee. The committee’s reference number is S-K584.
: NA
: The authors declare that they have no competing interests.
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