|  | The Maurice and Gabriela Goldschleger / School of Dental Medicine / Tel Aviv University / Israel |
|  | |  | School of Dentistry, Aristotle University of Thessaloniki, Greece |
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|  | School of Dentistry, Kapodistrian University of Athens, Greece |
|  | |  | Ghent University, Belgium |
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|  | School of Dentistry, Kapodistrian University of Athens, Greece |
|  | |  | School of Dentistry, Kapodistrian University of Athens, Greece |
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|  | School of Dentistry, Kapodistrian University of Athens, Greece |
|  | |  | University of Göttingen, Germany |
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|  | School of Dentistry, Kapodistrian Univercity of Athens, Greece |
|  | |  | Department of General Practice, Caphri, Maastricht Univercity, The Netherlands |
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|  | Department of Operative Dentistry, National and Kapodistrian University of Athens, Dental School, Greece |
|  | |  | School of Dentistry, Aristotle University of Thessaloniki, Greece |
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|  | Depatrment of Prosthodontics School of Dentistry, Kapodistrian Univercity of Athens, Greece |
|  | |  | Dept. Operative Dentistry, Aristotle University of Thessaloniki, Greece |
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|  | University of Crete, Greece. |
|  | |  | Department of Orthodontics
School of Dentistry
Aristotle University of Thessaloniki, Greece |
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|  | Dept. of Fixed Prosthodontics and Implant Prostheses Dental School, Aristotle University of Thessaloniki, Greece |
|  | |  | Department of Oral Pathology and Medicine School of Dentistry, University of Athens |
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|  | School of Dentistry, Aristotle University of Thessaloniki, Greece |
|  | |  | Hippokration General Hospital, Thessaloniki, Greece |
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|  | Department of Removable Prosthodontics, The Dental School, Aristotle University of Thessaloniki, Greece |
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