1 Child/Adolescent Psychiatrist, Al-Manara CAP Centre, Kuwait Centre for Mental Health (KCMH), Jamal Abdul-Nassir St., Shuwaikh, State of Kuwait, Kuwait. Electronic address: ahmednagy@hotmail.co.uk.
2 Learning Disability Milton Keynes University Hospital, Milton Keynes, Buckinghamshire, United Kingdom.
3 General Organization for TeachingHospitals and Institutes, Cairo, Egypt; KCMH, Kuwait.
4 Developmental and Behavioural Paediatrician, Rhode Island Hospital, Brown University, Providence, RI, United States.
5 Consultant Child/Adolescent Psychiatrist, Head of Al-Manara CAP Centre, KCMH, Kuwait; Tufts University, Medford, United States.