1 Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, P.O. Box 30.001, EB70, 9700 RB, Groningen, The Netherlands.
2 Department of Internal Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.
3 Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, P.O. Box 30.001, EB70, 9700 RB, Groningen, The Netherlands. h.r.bouma@umcg.nl.
4 Department of Internal Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands. h.r.bouma@umcg.nl.