1. Labmatisse BV Wijchen The Netherlands
2. Biomaterials Group (BIOMAT), Biomedical and Oral Sciences Research Unit (UICOB), Faculdade de Medicina Dentária Universidade de Lisboa Lisboa Portugal
3. Maven Dental Studio, Private Dental Laboratory Oakbrook Terrace Illinois USA
4. Department of Restorative Dentistry Dental School, São Paulo State University – UNESP São Paulo Brazil