Funding for this research was provided by:
Nanjing Medical Technology Development Project (YKK14079)
Jiangsu Provincial Science and Technology Department (BE2012606)
National Health and Family Planning Commission, Science and Education Department (201502004)
Text and Data Mining valid from 2019-10-23
Received: 26 September 2018
Accepted: 20 August 2019
First Online: 23 October 2019
Ethics approval and consent to participate
: This study was approved by the clinical research ethics committee of Nanjing Drum Tower Hospital, the Affiliated Hospital of Nanjing University Medical School (22 March 2014). Written, informed consent was provided by all participants.
: The manuscript does not contain any individual person’s data in any form. This paper has not been published elsewhere in whole or in part. Our manuscript does not contain any individual person’s data, and thus, the ‘Consent for publication’ section is not applicable.All authors have read and approved the manuscript content and agreed to submission of the manuscript for consideration for publication in the journal.
: There are no ethical/legal conflicts associated with this article. The authors declare that they have no competing financial relationships or conflicts of interest associated with the subject matter or the materials discussed in the manuscript apart from those disclosed.