Funding for this research was provided by:
Chengdu Science and Technology Project (2015-HM0100621-SF)
Article History
Received: 28 April 2020
Accepted: 17 August 2020
First Online: 7 October 2020
Compliance with ethical standards
:
: All authors declare that they have no competing interests.
: This article does not contain any studies with human participants performed by any of the authors.
: For this type of study, informed consent is not required.
: The data of this study are available from the corresponding author on reasonable request.