1. Department of Orthodontics; The Maurice and Gabriela Goldschleger School of Dental Medicine; Tel Aviv University; Tel Aviv Israel
2. The Sourasky Medical Center; Tel Aviv Israel
3. Ministry of Health; Jerusalem Israel
4. Department of Mother, Child and Adolescent Health; Ministry of Health; Jerusalem Israel
5. Department of Management, Public Health and Health Management; the Bar Ilan University; Ramat-Gan Israel