1. Institute of Pathology, University of Bern, Bern, Switzerland
2. Department of Diagnostic, Interventional and Pediatric Radiology
3. Division of Human Genetics, Department of Pediatrics, and
4. Department of Surgery, Tiefenau Hospital, Bern, Switzerland
5. Department of Respiratory Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland; and