[1] Cairo Univ, Fac Med, Dept Psychiat & Addict, Giza, Egypt
[2] Maudsley Hlth, Abu Dhabi, U Arab Emirates
[3] United Arab Emirates Univ, Coll Med & Hlth Sci, Dept Psychiat, Al Ain, U Arab Emirates
[4] Ain Shams Univ, Okasha Inst Psychiat, Fac Med, Neuropsychiat Dept, Cairo, Egypt
[5] United Arab Emirates Univ, Coll Med & Hlth Sci, Dept Psychiat, POB 15551, Al Ain, U Arab Emirates