Department of Orthodontics, Aristotle University of Thessaloniki

School of Dental Medicine, University of Athens

University of Teenessee

Hellenic Professional Union of Orthodontists

World Federation of Orthodontists (WFO)

European Federation of Orthodontics (FEO)

European Federation of Orthodontic Specialists (EFOSA)

European Orthodontic Society (EOS)

American Association for Functional Orthodontics

American Association of Orthodontics (AAO)

American Orthodontic Society

Εταιρεία Ορθοδοντικής και Γναθοπροσωπικής Μελέτης και Έρευνας

PubMed (National Library of Medicine)

MEDLINE¨ Plus