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We have good SNOMED (however, it Is observation) for that: Time since stopped smoking There are at least 2 reasons for that: 1) smoking affects health significantly, but with time effects of it on the organism become less and less plus 2) smoking questionaries usually have that question in one or another form, we can easily store this information without any History of concepts

Farmer (Man Rolling Cigarette), 1942, Silver Gelatin Print, 3 x 4 John Vachon, Flathead Valley special area project, Montana

Additional inspiration for the performance came from the works of painter Francis Bacon, the character Alex DeLarge from Anthony Burgess' 1962 novel A Clockwork Orange and its 1971 film adaptation of the same name, as well as elements of punk rock culture

Authors contributions PN conceived the study and elaborated its design