Published on in Vol 8, No 4 (2020): April
1 Smoking Cessation Unit, Medical-Surgical Unit of Respiratory Diseases, Virgen del Rocío University Hospital, Seville, Spain
2 Centro de Investigación Biomédica en Red de Enfermedades Respiratorias, Carlos III Institute of Health, Madrid, Spain
3 Research and Innovation Group in Biomedical Informatics, Biomedical Engineering and Health Economy, Institute of Biomedicine of Seville, Virgen del Rocío University Hospital, Spanish National Research Council, University of Seville, Seville, Spain
4 Department of Architecture and Computer Technology, School of Computer Engineering, Universidad de Sevilla, Seville, Spain
5 Salumedia Labs, Seville, Spain
6 Medical Physics Laboratory, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece