Zhao, Chan
Dong, Fangtian
Gao, Fei
Liu, Xinshu
Pei, Minghang
Jia, Shanshan
Zhang, Meifen http://orcid.org/0000-0002-7581-6800
Article History
Received: 16 June 2017
Accepted: 2 January 2018
First Online: 15 January 2018
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board (IRB) of Peking Union Medical College Hospital and adhered to the tenets of the Declaration of Helsinki. Informed consent for all examinations and treatments was obtained from all patients in accordance with the IRB’s requirements.
: We obtained consent for publication from all subjects enrolled in the study.
: The authors declare that they have no competing interests.
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