1. Department of Oral Implantology; Osaka Dental University; Osaka Japan
2. ARDEC Academy, Ariminum Odontologica; Rimini Italy
3. Depto CTBMF e Periodontia FORP-USP- Faculty of Ribeirão Preto (SP); Ribeirão Preto Brazil
4. ARDEC Academy; Rimini Italy
5. POI-Programa Odontológico Internacional; Cartagena de Indias Colombia
6. Center for Dental Medicine; University of Zurich; Zurich Switzerland
7. University of Bern; Bern Switzerland