Nakkash, Rima T.; Al-Mulla, Ahmad A.K.; Torossian, Lena; Karhily, Roubina; Shuayb, Lama; Mahfoud, Ziyad R.; Janahi, Ibrahim Ahmed; Al Ansari, Al Anoud; Afifi, Rima A.
(BioMed Central Ltd., 2014)
Methods. A random sample of 40 schools in Doha, Qatar was selected for inclusion in the original intervention. Permission forms were distributed to parents for approval of their child's participation. The permission forms ...