Funding for this research was provided by:
Research Fund Project of Capital Medical University (16JL29)
Article History
Received: 27 February 2020
Accepted: 25 May 2020
First Online: 6 June 2020
Compliance with Ethical Standards
: All procedures were in accordance with the ethical standards of ethics committee of the Beijing Xuanwu hospital affiliated to Capital Medical University
: The authors declare that they have no conflict of interest.
: All procedures and data collection were in accordance with the ethical standards of ethics committee of the Beijing Xuanwu Hospital Affiliated to Capital Medical University or the ethical standards of the Helsinki Declaration of 1975. LSG was done per usual clinical practice.
: Informed consent to undergo the procedure was obtained from all individual participants included in this study. All clinical data were anonymized to protect privacy.