Gong, Yabin
Xu, Zhenye
Jin, Changjuan
Deng, Haibin
Wang, Zhongqi
Zhou, Weidong
Zhang, Ming
Zhao, Xiaozhen
Wang, Lifang
Article History
Received: 8 July 2017
Accepted: 12 October 2017
First Online: 1 April 2018
Ethical approval and consent to participate
: We did not apply for the ethics approval from Long Hua Hospital ethics committee because the study design obeyed the rule of ‘Ethics, consent and permissions’, and approved by the Food and Drug Administration of Shanghai City.Consent to publish were obtained from all the participants.
: All authors read and approved the final manuscript for publication.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.