Effectiveness of a Conversational Chatbot (Dejal@bot) for the Adult Population to Quit Smoking: Pragmatic, Multicenter, Controlled, Randomized Clinical Trial in Primary Care - Eduardo Olano-Espinosa; Jose Francisco Avila-Tomas; Cesar Minue-Lorenzo; Blanca Matilla-Pardo; María Encarnación Serrano Serrano; F Javier Martinez-Suberviola; Mario Gil-Conesa; Isabel Del Cura-González (JMIR mHealth and uHealth, 2022)