1. Institute of Human Genetics; Friedrich-Alexander-Universität Erlangen-Nürnberg; Erlangen Germany
2. Clinical Chemistry and Biochemistry; Universitäts-Kinderspital Zürich; Zürich Switzerland
3. Department of Pediatrics; Friedrich-Alexander-Universität Erlangen-Nürnberg; Erlangen Germany
4. Department of Radiology; Friedrich-Alexander-Universität Erlangen-Nürnberg; Erlangen Germany
5. Department of Pediatrics; Paracelsus Medical University; Salzburg Austria
6. Institute of Human Genetics; Otto-von-Guericke-Universität Magdeburg; Magdeburg Germany