1. Division of Cardiology Children’s Hospital at Montefiore Bronx NY USA
2. Department of Pediatrics Albert Einstein College of Medicine Bronx NY USA
3. Albert Einstein College of Medicine Bronx NY USA
4. Department of Epidemiology and Population Health Albert Einstein College of Medicine Bronx NY USA
5. Rett Syndrome Center Division of Neurology Children’s Hospital at Montefiore Bronx NY USA