1. Medical Investigation of Neurodevelopmental Disorders MIND Institute, Department of Pediatrics, UC Davis Medical Center
2. Department of Histology, Universitas Muhammadiyah Sumatera Utara (UMSU) Faculty of Medicine, Medan
3. Seaver Autism Center for Research and Treatment, Departments of Genetics and Genomic Sciences, Psychiatry, and Pediatrics,Icahn School of Medicine at Mount Sinai