Shen, Yi
Jia, Yulong
Li, Yuandong
Gu, Xuefeng
Wan, Guoqing
Zhang, Peng
Zhang, Yafeng
Jiang, Liying http://orcid.org/0000-0001-5179-2069
Article History
Received: 2 December 2019
Accepted: 17 January 2020
First Online: 29 February 2020
Compliance with ethical standards
:
: The authors declare that there is no conflict of interest associated with this manuscript.
: The study was approved by the Ethics Committee of Nantong University and carried out in accordance with the 1964 Helsinki declaration and its later amendments and comparable ethical standards.
: Informed consent was obtained from all participants included in the study in a written way.