1. Department of Genetic Counseling Augustana University Sioux Falls SD USA
2. Department of Pediatrics University of Maryland School of Medicine Baltimore MD USA
3. Department of Genetics, Cell Biology, and Development, Institute of Human Genetics University of Minnesota Minneapolis MN USA
4. Joan H. Marks Graduate Program in Human Genetics Sarah Lawrence College Bronxville NY USA
5. Department of Pediatrics University of Wisconsin School of Medicine and Public Health Madison WI USA