1. China National Tobacco Quality Supervision and Test Center, Zhengzhou, People’s Republic of China
2. Shandong Institute for Food and Drug Control, Jinan, People’s Republic of China
3. Key Laboratory of Molecular Genetics, Guizhou Academy of Tobacco Science, Guiyang, People’s Republic of China
4. China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, People’s Republic of China
5. China Tobacco Yunnan Import & Export Co., Ltd., Kunming, People’s Republic of China
6. Yunnan Tobacco Co., Ltd. Kunming Branch, Kunming, People’s Republic of China
7. Department of Medicinal Chemistry, Key Laboratory of Chemical Biology, Ministry of Education, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, People’s Republic of China