Li, YanYan
Wang, Lin
Sun, GuangWei
Li, XiHong
Chen, ZhenGuo
Feng, Ji
Yang, Yong
Funding for this research was provided by:
China National Tobacco Corporation (Grant 110201502018, Grant 110201502018, Grant 110201502018, Grant 110201502018, Grant 110201502018, Grant 110201502018, Grant 110201502018)
Hubei tobacco company, Hubei Province, China (Grant 027Y2020-002, Grant 027Y2020-002)
Article History
Received: 30 July 2020
Accepted: 21 January 2021
First Online: 16 February 2021
Competing interests
: The authors declare no competing interests.