| Laboratory |
| CeGaT GmbH - Tuebingen, Germany |
| diagenos - Osnabrueck, Germany |
| GGA - Galil Genetic Analysis - Kazerin, Israel |
| Sistemas Genomicos, Medical Genetics Unit - Paterna, Spain |
| St James's University Hospital, Leeds Teaching Hospitals, Yorkshire Regional DNA Laboratory - Leeds, Great Britain |
| University Hospitals - University Hospitals Laboratory Service Foundation, Center for Human Genetics Laboratory - Cleveland, OH, USA |
| University of Washington Medical Center, Laboratory Medicine-Genetics Laboratory - Seattle, WA, USA |
