Ye, Wenling http://orcid.org/0000-0003-0598-8962
Zhuang, Jing
Yu, Yang
Li, Hang
Leng, Xiaomei
Qian, Jun
Qin, Yan
Chen, Limeng
Li, Xue-mei
Article History
Received: 15 September 2019
Accepted: 3 December 2019
First Online: 9 December 2019
Ethics approval and consent to participate
: All procedures performed in this study were conducted in accordance with the ethical standards of the Ethics Committee at Peking Union Medical College Hospital (Approval number, SK-815) and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards. For this type of study, the need of consent was waived by the Ethics Committee at Peking Union Medical College Hospital.
: Not applicable.
: The authors declare that they have no competing interests.