1. JFK Partners, Section of Developmental Pediatrics, Department of Pediatrics; University of Colorado Denver School of Medicine; Aurora CO USA
2. Department of Human Development and Family Studies; Colorado State University; Fort Collins CO USA
3. Section of Genetics and Metabolism, Department of Pediatrics; University of Colorado Denver School of Medicine; Aurora CO USA
4. Special Care Clinic; Children's Hospital Colorado; Aurora CO USA
5. Linda Crnic Institute for Down Syndrome; University of Colorado Denver School of Medicine; Aurora CO USA