1. Fiera Di Primiero/Feltre Implant Research Group; Feltre Italy
2. Private Practice; Milan Legnano Italy
3. Clinica Feltre; Feltre Italy
4. Department of Oral & Maxillofacial Surgery; Sahlgrenska Academy; University of Gothenburg; Gothenburg Sweden
5. Osstell AB; Gothenburg Sweden
6. Private Practice; Fiera Di Primiero and San Dona Di Piave; Piave Italy
7. Private Practice; Rome Italy