1. School of Psychology University of Birmingham Birmingham UK
2. Brigham Young University Provo Utah USA
3. Department of Psychiatry and Behavioral Sciences Johns Hopkins University School of Medicine Baltimore Maryland USA
4. Master's in Genetic Counseling Training Program University of Maryland Baltimore Maryland USA
5. Communication Sciences and Disorders Elmhurst College Elmhurst Illinois USA
6. Milton J. Dance, Jr Head & Neck Center Baltimore Maryland USA
7. Stowers Institute for Medical Research Kansas City Missouri USA
8. Edward A. Doisy Department of Biochemistry and Molecular Biology Saint Louis University School of Medicine Saint Louis Missouri USA
9. Department of Developmental and Cell Biology, and the Center for Complex Biological Systems University of California Irvine California USA
10. Division of Human Genetics, Department of Pediatrics The Children's Hospital of Philadelphia, and Perelman School of Medicine at The University of Pennsylvania Philadelphia Pennsylvania USA
11. Department of Pediatrics, Amsterdam UMC University of Amsterdam, and Prinsenstichting Purmerend The Netherlands
12. Harvey Institute for Human Genetics Greater Baltimore Medical Center Baltimore Maryland USA