Text and Data Mining valid from 2019-09-04
Received: 18 December 2017
Accepted: 26 August 2019
First Online: 4 September 2019
: All animal experiments for this project were approved by the Ethics Committee of the Northwest Institute of Plateau Biology, Chinese Academy of Sciences [NWIPB201503018]. No human subjects were used in this study.
: Not applicable.
: The authors declare that they have no competing interests.