1. Department of Biomaterials Science and Turku Clinical Biomaterials Centre – TCBC Institute of Dentistry University of Turku Turku Finland
2. King Saud University Riyadh Kingdom of Saudi Arabia
3. City of Turku Welfare Division Turku Finland
4. College of Applied Medical Sciences King Saud University Riyadh Kingdom of Saudi Arabia
5. Department of Prosthetic Dentistry and Stomatognathic Physiology University of Turku Turku Finland
6. Departments of Oral and Maxillofacial Diseases Helsinki University Hospital (HUH) Helsinki Finland