Table 1.

Summary of keywords for the search strategy

Category	Keywords
Object (abstract)	new ATC, new drug(s), new medicine(s), new medication, new substance(s)
Process (abstract)	adopt(ed), adoption, diffuse, diffusion, uptake
Actor (abstract)	doctor(s), general practitioner(s), GP(s), physician(s), specialist(s), SP(s)
Data and method (text)	claim(s), county, logit, nation, odds, population, prescribing, prescription(s), quantitative(ly), region, registry, regression, survival

In alphabetical order, by keyword. The search strings are available from author on request.