Funding for this research was provided by:
National Natural Science Foundation of China (81660013)
Article History
Received: 23 August 2019
Accepted: 6 November 2019
First Online: 14 November 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All the animals’ upkeeping and experimental procedures were carried out in accordance with the ethical standards given in the Declaration of Helsinki. The animal experiments were conducted with prior approval from the institutional review board and institutional animal care and use committee (IACUC). All efforts were made to minimize the number of animals and their suffering.