Funding for this research was provided by:
National Natural Science Foundation of China (31860610, 31400353)
Provincial Key Science and Technology Project of Guizhou (Qian Ke He Zhong Da Zhuan Xiang Zi 3022-1号)
Provincial Science and Technology Plan of Guizhou (Qian Ke He Ji Chu1068, Qian Ke He LH Zi 7682)
Science and Technology Plan of Education Administration of Guizhou Province (Qian Jiao He KYZi 354, Qian Jiao He KYZi 102号)
Text and Data Mining valid from 2020-03-07
Received: 25 July 2019
Accepted: 2 March 2020
First Online: 7 March 2020
Ethics approval and consent to participate
: The investigations comply with the current laws of China, where they were performed.
: Not applicable.
: The authors declare that they have no competing interests.