1. Unit of Prosthodontics and Implant Prosthodontics, Department of Surgical Sciences (DISC) University of Genova Genova Italy
2. Section BBF, Department of Clinical Sciences (DiSCO) Polytechnic University of Marche Ancona Italy
3. Dental School University of Belgrade Belgrade Serbia
4. School of Dentistry Saint Camillus International University of Health and Medical Sciences Rome Italy
5. Fondazione Villa Serena per la Ricerca Città Sant'Angelo Italy
6. Casa di Cura Villa Serena del Dott. L. Petruzzi Città Sant'Angelo Italy
7. Department of Medical, Oral and Biotechnological Sciences University G. d'Annunzio of Chieti‐Pescara Chieti Italy