1. Department of General Surgery and Medical ‐ Surgical Specialties University of Catania Catania Italy
2. Department of Physics and Astronomy, PH3DRA (Physics for Dating Diagnostics Dosimetry Research and Applications) Laboratories University of Catania & INFN Catania Italy
3. Department of Endodontics School of Dentistry University of Texas Health Science Center at Houston Houston Texas USA
4. Department of Stomatology University of Valencia Valencia Spain
5. Department of Industrial Engineering University of Catania Catania Italy