1. Unit for Pharmacokinetics and Drug Metabolism, Department of Pharmacology, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden
2. Toxicological Centre, University of Antwerp, Wilrijk, Belgium
3. Laboratory of Clinical Chemistry, Sahlgrenska University Hospital, Gothenburg, Sweden
4. Department of Laboratory Medicine, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden