1. Department of Pharmaceutical SciencesSt. Jude Children's Research HospitalMemphis Tennessee USA
2. GenentechSouth San Francisco California USA
3. Quantitative Pharmacology and PharmacometricsMerck Research LaboratoriesRahway New Jersey USA
4. Preclinical Therapeutics and Drug Delivery Research ProgramHospital Sant Joan de Déu BarcelonaBarcelona Spain
5. Department of PediatricsPennsylvania State College of MedicineHershey Pennsylvania USA
6. Department of OncologySt. Jude Children's Research HospitalMemphis Tennessee USA
7. Cambridge Cancer CentreCambridge UK