”Comorbidity of Attention Deficit Hyperactivity Disorder (ADHD) and Chung-Jansen Syndrome\RL: Case report and Review of Literature”Maedeh Khalili1 | Maryam Yousefi Fahadani2,3 | Reza Bidaki4| Zahra Talayi5*1Department of Biology, Faculty of Science, Arak University, Arak, Iran | 2Student Research Committee, Shahid Sadoughi University of Medical Sciences, Yazd, Iran | 3Department of Psychiatry, Research Development Center, Shahid Sadoughi Hospital, School of Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran |4Department of Psychiatry, Reserch Center of Addiction and Behavioral Sciences, Non-Communicable Diseases Research Institute, Shahid Sadoughi University of Medical Sciences, Yazd, Iran |5Department of Biology, Faculty of Science, Arak University, Arak, Iran*Correspondence: Zahra Talayi (haniyeh9931@gmail.com)Funding: The authors received no specific funding for this work.Keywords: Chung-Jansen Syndrome, Attention Deficit Hyperactivity Disorder (ADHD), Genetic Comorbidity, PHIP Gene, CLCN4 Gene, Neurodevelopmental Disorders