1. Oral Medicine, Oral Surgery and Implantology, Unit (MedOralRes). Faculty of Medicine and Dentistry Universidade de Santiago de Compostela Santiago de Compostela Spain
2. ORALRES group Instituto de Investigación Sanitaria de Santiago (IDIS) Santiago de Compostela Spain
3. Smoking Cessation and Addictive Disorders Unit, Department of Clinical Psychology and Psychobiology, Faculty of Psychology Universidade de Santiago de Compostela Santiago de Compostela Spain