1. New York State Department of Health Bureau of Environmental & Occupational Epidemiology Albany New York USA
2. National Center on Birth Defects and Developmental Disabilities Centers for Disease Control and Prevention Atlanta Georgia USA
3. Divisions of Cardiovascular Medicine and Pediatric Cardiology Stanford School of Medicine Stanford California USA
4. Sinai Adult Congenital Heart Disease Program Mount Sinai Cardiovascular Institute & The Pediatric Heart Center New York New York USA
5. Division of Pediatric Cardiology Children's Hospital at Montefiore, Albert Einstein College of Medicine Bronx New York USA
6. University at Albany School of Public Health Rensselaer New York USA