1. Department of Psychiatry and Addiction, Faculty of Medicine, Cairo University, Giza, Egypt
2. Maudsley Health, Abu Dhabi, United Arab Emirates
3. Department of Psychiatry, College of Medicine and Health Sciences, United Arab Emirates University, Al-Ain, United Arab Emirates
4. Neuropsychiatry Department, Faculty of Medicine, Okasha Institute of Psychiatry, Ain Shams University, Cairo, Egypt