Funding for this research was provided by:
Science and Technology Commission of Shanghai Municipality (14411966100)
Article History
Received: 30 May 2019
Accepted: 29 October 2019
First Online: 4 November 2019
Compliance with ethical standards
:
: All authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors. All procedures formed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: It was obtained from all individual participants included in the study.