Xiao, Jianchun
Zhang, Ruopeng
Chen, Wanqi
Wu, Bin
Article History
Received: 25 September 2019
Accepted: 24 February 2020
First Online: 2 March 2020
Ethics approval and consent to participate
: This study was performed in accordance with the ethical standards of the Institutional Ethics Committee of Peking Union Medical College Hospital at the Chinese Academy of Medical Sciences & Peking Union Medical College and in accordance with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.
: Written consent for publication was obtained from the patient described in this article.
: The authors declare that they have no competing interests.