Hospital Pharmacy, Spaarne Gasthuis, Haarlem, Noord-Holland, Netherlands. Pharmacy Foundation of Haarlem Hospitals, Haarlem, Noord-Holland, Netherlands. Internal Medicine, Spaarne Gasthuis, Haarlem, Noord-Holland, Netherlands. Cardiology, Spaarne Gasthuis Hospital, Haarlem, Noord-Holland, Netherlands. Clinical Pharmacy and Pharmacology, Universitair Medisch Centrum Groningen, Groningen, Groningen, Netherlands. Hospital Pharmacy, Spaarne Gasthuis, Haarlem, Noord-Holland, Netherlands mbecker@sahz.nl.