1. Department of Human Genetics Inselspital, Bern University Hospital, University of Bern Bern Switzerland
2. Institute of Human Genetics Friedrich‐Alexander‐Universität Erlangen‐Nürnberg Erlangen Germany
3. Institute of Human Genetics University Medical Center of the Johannes Gutenberg‐University Mainz Mainz Germany
4. Department of Medical Genetics Haukeland University Hospital Bergen Norway
5. Department of Medical Genetics St. Olav's University Hospital Trondheim Norway
6. Genetic Health Service New Zealand Auckland Hospital Auckland New Zealand
7. Genetics Unit/Department of Pediatrics and Medical Genetics University and Polytechnic Hospital La Fe Valencia Spain
8. Spectrum Health, Division of Medical and Molecular Genetics Grand Rapids Michigan USA
9. Center for Human Genetics Institute of Pathology and Genetics Gosselies Belgium
10. Institute of Medical Genetics University of Zurich Schlieren‐Zurich Switzerland
11. Institute of Biochemistry Friedrich‐Alexander‐Universität Erlangen‐Nürnberg Erlangen Germany