Impact of the ENSP eLearning platform on improving knowledge, attitudes and self-efficacy for treating tobacco dependence: An assessment across 15 European countries oleh Charis Girvalaki, Sophia Papadakis, Enkeleint A. Mechili, Katerina Nikitara, Andrey Demin, Antigona C. Trofor, Arben Lila, Arusyak Harutyunyan, Aurela Saliaj, Deska Dimitrievska, Francisco Rodriguez Lozano, George Bakhturidze, Javier Ayesta, Krzysztof Przewoźniak, Maria Sofia Cattaruzza, Marija Zdraveska, Mihaela Lovše, Biljana Kilibarda, Otto Stoyka, Panagiotis Behrakis, Pierre Bizel, Polina Starchenko, Shkumbin Spahija, Cornel Radu-Loghin, Constantine I. Vardavas