1. Harmful Components and Tar Reduction in Cigarette Sichuan Key Laboratory, Cigar Technology Innovation Center of China Tobacco, Technical Center of China Tobacco Sichuan Industrial Co., Ltd, Chengdu, China
2. Department of Flavour and Fragrance, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China
3. College of Food and Biological Engineering, Zhengzhou University of Light Industry, Zhengzhou, China
4. Department of Tabacco Products, Technical Center of China Tobacco Jiangsu Industrial Co. Ltd, Nanjing, China