Funding for this research was provided by:
Zhejiang Provincial Program for Medical and Health Science Co-sponsored by Province and Ministry (2016137996)
the National Key Research and Development Program of China (2016YFC1100403)
Article History
Received: 12 February 2018
Revised: 27 June 2018
Accepted: 12 July 2018
First Online: 10 September 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: For this type of study, formal consent is not required.