Adherence to Blended or Face-to-Face Smoking Cessation Treatment and Predictors of Adherence: Randomized Controlled Trial.
Lutz SiemerMarjolein G J Brusse-KeizerMarloes Gerda PostelSomaya Ben AllouchRobbert SandermanMarcel E PietersePublished in: Journal of medical Internet research (2020)
Netherlands Trial Register NTR5113; http://www.trialregister.nl/trialreg/admin/rctview.asp?TC=5113.