China National Tobacco Corp Zhengzhou Tobacco Research Institute, China National Tobacco Corp Zhengzhou Tobacco Research Institute, China National Tobacco Corp Zhengzhou Tobacco Research Institute, China National Tobacco Corp Zhengzhou Tobacco Research Institute, China National Tobacco Corp Zhengzhou Tobacco Research Institute, China National Tobacco Corp Zhengzhou Tobacco Research Institute, China National Tobacco Corp Zhengzhou Tobacco Research Institute, affiliation not provided to SSRN, affiliation not provided to SSRN, China National Tobacco Corp Zhengzhou Tobacco Research Institute, China National Tobacco Corp Zhengzhou Tobacco Research Institute, Anhui Agricultural University and China National Tobacco Corp Zhengzhou Tobacco Research Institute

Shanxi University, China National Tobacco Corp Zhengzhou Tobacco Research Institute, China National Tobacco Corp Zhengzhou Tobacco Research Institute, Shanxi University, China National Tobacco Corp Zhengzhou Tobacco Research Institute, China National Tobacco Corp Zhengzhou Tobacco Research Institute, China National Tobacco Corp Zhengzhou Tobacco Research Institute, China National Tobacco Corp Zhengzhou Tobacco Research Institute, Shanxi University and China National Tobacco Corp Zhengzhou Tobacco Research Institute