1. Private practice Clínica Guerrero Marbella Spain
2. International Research Collaborative – Oral Health and Equity School of Anatomy, Physiology and Human Biology The University of Western Australia West Perth WA Australia
3. Department of Prosthodontics, Geriatric Dentistry and Craniomandibular Disorders Charité – Universitätsmedizin Berlin Corporate member of Freie Universität Berlin and Humboldt‐Universität zu Berlin Berlin Germany
4. Department of Surgery and Medical‐Surgical Specialties University of Santiago de Compostela Santiago de Compostela Spain
5. Division of Maxillofacial Surgery University of Torino Torino Italy
6. Department of Periodontology School of Dentistry International University of Cataluña (UIC) Barcelona Spain
7. Private practice Lausanne Switzerland
8. Private practice and Department of Maxillofacial surgery Goethe Universität Frankfurt am Main Germany
9. Department of Oral and Maxillofacial Surgery University of Göttingen Göttingen Germany
10. Department of Periodontology School of Dental Medicine University of Bern Bern Switzerland
11. Private practice Bilbao Spain
12. Department of Biomedical and Neuromotor Sciences University of Bologna Bologna Italy
13. Department for Oral and Maxillofacial Surgery, Plastic Surgery University Medical Center of the J. Gutenberg University Mainz Mainz Germany