1. Department of Psychiatry, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Selangor, Malaysia.
2. Malaysian Society of Internet Addiction Prevention, Serdang, Selangor, Malaysia.
3. Department of Psychiatry, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia.
4. Multidisciplinary Clinic, Prince Court Medical Center, Kuala Lumpur, Malaysia.
5. Department of Psychiatry and Mental Health, Hospital Ampang, Ampang, Malaysia.