1. Faculty of Medicine, University of the Balearic Islands, 07009 Palma, Spain
2. IDISBA, Balearic Islands Health Research Institute Foundation, 07004 Palma, Spain
3. General Practitioner Department, Balearic Islands Health Service, 07003 Palma, Spain
4. Investigation Group ADEMA SALUD IUNICS, 07003 Palma, Spain
5. Faculty of Dentistry, University School ADEMA, 07009 Palma, Spain