1. Department of Computer Architecture and Technology E.T.S.I.I.T.‐C.I.T.I.C. University of Granada Granada Spain
2. Post‐Graduate Program in Dentistry, Dental School University of Passo Fundo Passo Fundo Brazil
3. Department of Restorative Dentistry and Prosthodontics, School of Dentistry University of Texas Health Science Center at Houston Houston Texas USA
4. Department of Optics, Faculty of Science University of Granada Granada Spain
5. Department of Stomatology, Campus Cartuja University of Granada Granada Spain