Funding
This study was partly supported by the National Natural Science
Foundation of China (31670148 and 31870147), the Fundamental Research
Funds for the Central Universities (XDJK2020B064 and XDJK2017C015), the
Science and Technology Projects of Chongqing Company of China Tobacco
Corporation (NY20180401070001, A20201NY02-1306 and NY20180401070010).