Yuping Liu,
Lv, Ting
Liu, Tao
Su, Xu
Article History
Received: 12 October 2018
Revised: 3 January 2019
Accepted: 18 November 2019
First Online: 27 January 2020
FUNDING
: This work was financially supported by the National Natural Science Foundation of China (41761009, 31260052), the Natural Science Foundation of Qinghai Province (2017-ZJ-904), the State Scholarship Fund of China Scholarship Council (201508635003) and the Young and Middle-Aged Research Foundation of Qinghai Normal University (2017-33).
: The authors declare that they have no conflict of interest. This article does not contain any studies involving animals or human participants performed by any of the authors.