 life expectancy (8\cdot10^{-6}), number of international tourists (1\cdot10^{-5}), earlier epidemic starting date  (2\cdot10^{-5}), high level of  contact in greeting habits (6 \cdot 10^{-5}), lung cancer  (6 \cdot 10^{-5}), obesity in males (1 \cdot 10^{-4}), urbanization (2\cdot10^{-4}), cancer prevalence (3 \cdot 10^{-4}), alcohol consumption (0.0019), daily smoking prevalence (0.0036), UV index (0.004, smaller sample, 73 countries)
<clarity>  life expectancy (8\cdot10^{-6}), number of international tourists (1\cdot10^{-5}), earlier epidemic starting date  (2\cdot10^{-5}), high level of  contact in greeting habits (6 \cdot 10^{-5}), lung cancer  (6 \cdot 10^{-5}), obesity in males (1 \cdot 10^{-4}), urbanization (2\cdot10^{-4}), cancer prevalence (3 \cdot 10^{-4}), alcohol consumption (0.0019), daily smoking prevalence (0.0036), UV index (0.004, smaller sample, 73 countries)
 life expectancy (8\cdot10^{-6}), number of international tourists (1\cdot10^{-5}), earlier epidemic starting date (2\cdot10^{-5}), high level of contact in greeting habits (6 \cdot 10^{-5}), lung cancer (6 \cdot 10^{-5}), obesity in males (1 \cdot 10^{-4}), share of population in urban areas (2\cdot10^{-4}), cancer prevalence (3 \cdot 10^{-4}), alcohol consumption (0.0019), daily smoking prevalence (0.0036), UV index (0.004, smaller sample, 73 countries)