1. Child and Adolescent Psychiatry, Al Quds University, School of Public Health, Gaza
2. Al Quds University, School of Public Health, Gaza
3. Child and Adolescent Psychiatry, University of Leicester, Greenwood Institute of Child Health, Leicester, UK
4. Psychology, University of Leicester, Institute of Life Long Learning, Leicester, UK
5. Child and Adolescent Psychiatry, Westcotes House, Leicester, UK,