1. Children’s University Hospital (KUNO), University Hospital Regensburg, 93053 Regensburg, Germany
2. Department of Clinical Pharmacology, University Hospital Tuebingen, 72076 Tuebingen, Germany
3. Department of Internal Medicine I, University Hospital Regensburg, 93053 Regensburg, Germany
4. Dr. Margarete Fischer-Bosch Institute of Clinical Pharmacology, Stuttgart and University of Tuebingen, 72076 Tuebingen, Germany
5. Department of Biochemistry and Pharmacy, University Tuebingen, 72076 Tuebingen, Germany
6. Center for Liver Cell Research, University Hospital Regensburg, 93053 Regensburg, Germany