Living with orofacial conditions: psychological distress and quality of life in adults affected with Treacher Collins syndrome, cherubism, or oligodontia/ectodermal dysplasia—a comparative study Geirdal, Amy Østertun, Saltnes, Solfrid Sørgjerd, Storhaug, Kari, Åsten, Pamela, Nordgarden, Hilde, Jensen, Janicke Liaaen (2015)