Chang, Jian-bo
Wu, Hao
Wang, He
Ma, Bai-tao
Wang, Ren-zhi
Wei, Jun-ji
Article History
Received: 20 July 2017
Accepted: 20 February 2018
First Online: 20 March 2018
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of Peking Union Medical College Hospital (PUMCH) and written informed consents were obtained from all patients.
: All the authors approve and agree the article to this publication.
: The authors declare that they have no competing interests.
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