Article History
Received: 31 July 2019
Accepted: 30 September 2019
First Online: 9 October 2019
Compliance with ethical standards
:
: The authors declare that there are no competing interests associated with the manuscript.
: This study was approved by the Ethics Committees of the Affiliated Huai’an No.1 People’s Hospital of Nanjing Medical University and met the standards of Declaration of Helsinki.
: Informed consent was obtained from all individual participants included in the study.