1. Department of PediatricsBaylor College of Medicine Houston Texas
2. Arkansas Children's Hospital Little Rock Arkansas
3. Department of UrologyUniversity of Arkansas for Medical Sciences Little Rock Arkansas
4. Department of Epidemiology, Fay W. Boozman College of Public HealthUniversity of Arkansas for Medical Sciences and Arkansas Children's Research Institute Little Rock Arkansas
5. Department of PediatricsStanford University School of Medicine California
6. Avera Institute for Human Genetics Sioux Falls South Dakota
7. School of Medicine, University of Arkansas for Medical Sciences Little Rock Arkansas
8. Division of Birth Defects Research, Department of Pediatrics, College of MedicineUniversity of Arkansas for Medical Sciences, Arkansas Children's Research Institute Little Rock Arkansas