Song, Zhaopeng
Pan, Feilong
Lou, Xiaoping
Wang, Daibin
Yang, Chao
Zhang, Baoquan
Zhang, Hongying https://orcid.org/0000-0002-4529-5020
Funding for this research was provided by:
China National Tobacco Corp., Yunnan Division (2016YN10, 2017YN19)
China National Tobacco Corp., Chongqing Division (NY20180601070002)
Article History
Received: 14 November 2018
Accepted: 24 January 2019
First Online: 1 February 2019
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.