Funding for this research was provided by:
National Natural Science Foundation of China (81770934)
the National Key R&D Program of China (2018YFC1106100, 2018YFC1106101)
the Science and Technology Commission of Shanghai (17DZ2260100)
Shanghai Municipal Education Commission- Gaofeng Clinical Medicine Grant Support (20181810)
Clinical Research Promotion Program of Ninth People's Hospital Affiliated to Medical College of Shanghai Jiao Tong University (JYLJ032)
Shanghai Smart Medical Special Research Project (2018ZHYL0221)
Text and Data Mining valid from 2019-11-21
Received: 3 June 2019
Accepted: 5 November 2019
First Online: 21 November 2019
Ethics approval and consent to participate
: This study adhered to the tenets of the Declaration of Helsinki. Informed consent for participation in verbal form was obtained from all patients or their parents at the follow-up visit. Ethics Committee approval for this procedure was obtained from the Shanghai Ninth People’s Hospital review board. The Ethics Committee additionally approved the use of verbal only consent to participate.
: As this was a retrospective study, consent for publication could not be obtained from all patients because some of them were unable to be contacted. We provided ages as age ranges in Table InternalRef removed to protect participant anonymity.
: All authors declare that they have no competing financial interests or proprietary interests in relation to the work described.