Funding for this research was provided by:
Natural Science Foundation of Fujian Province (Grant no. 2019J01100)
Article History
Received: 18 July 2019
Accepted: 29 January 2020
First Online: 27 February 2020
Ethics approval and consent to participate
: This article does not contain any studies performed by any of the authors with human participants.
: Informed consent was obtained from all individual participants included in the study.
: The authors declare that they have no competing interests.