Xu, Qiong
Zou, Yu
Article History
Received: 15 April 2020
Accepted: 26 August 2020
First Online: 4 September 2020
Ethics approval and consent to participate
: All procedures performed in the study involving human participant were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or with comparable ethical standards. The service ethics committee of Women’s Hospital, Zhejiang University School of Medicine (Zhejiang, China) approved the study. We obtained informed consent from the patient, in which she authorized us to publish articles using her medical records.
: We have obtained consent to publish from the participant to report individual patient data. This study was written informed consent from the patients.The copy of the written consent is available for review by the editor of this journal.
: The authors declare that they have no competing interests.