Funding for this research was provided by:
Sichuan University (20822041B4081, 20822041B4009)
Sichuan University's Fundamental Research Funds for the Central Universities
Internal research fund from Chengdu 23Mofang Biotechnology Co., Ltd.
Article History
Received: 7 November 2018
Accepted: 8 March 2019
First Online: 21 March 2019
Competing Interests
: Authors of M.W. and S.Y. declare no competing interests. Authors of X. Sun, X. Song, and H.M. are current employees of the 23 Mofang, Inc.