1 Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
2 Clinical Pharmacokinetics, La Timone University Hospital, Marseille, and GPCO-Unicancer, Paris, France.
3 Department of Clinical Pharmacology, The Netherlands Cancer Institute, Amsterdam, The Netherlands.
4 Dr Margarete Fischer-Bosch-Institute of Clinical Pharmacology, Stuttgart and Department of Clinical Pharmacology, University Hospital, Tuebingen, Germany.
5 IFCC Reference center - Pharmacogenetics, Department of Clinical Chemistry, Erasmus University, Rotterdam.
6 Department of Clinical Chemistry, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands.