1. Department of Clinical Chemistry, Inselspital, Bern University Hospital, and University of Bern; Bern Switzerland
2. Pharmaceutical Outcomes Programme, Division of Translational Therapeutics, Department of Pediatrics; University of British Columbia, and Child and Family Research Institute; Vancouver Canada
3. Division of Medical Oncology; Cantonal Hospital Lucerne; Lucerne Switzerland
4. Department of Medical Oncology; Cantonal Hospital St. Gallen St. Gallen Switzerland