Funding for this research was provided by:
Startup Fund for scientific research, Fujian Medical University (2016QH071)
National Natural Science Foundation of China (81572219)
Article History
Received: 22 April 2019
Accepted: 20 October 2019
First Online: 12 November 2019
Compliance with ethical standards
: We confirm that we have read the Journal’s position on issues involved in ethical publication and affirm that this report is consistent with those guidelines.
: The authors declare that they have no conflict of interests.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the Ethics Committee of the First Affiliated Hospital, Fujian Medical University (reference number, [2016]152) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Written informed consent was obtained prior to participation.