1. Center for Pharmacoepidemiology and Pharmacoeconomic Research; University of Illinois at Chicago; Chicago IL USA
2. Department of Pharmacy Practice; College of Pharmacy; University of Illinois at Chicago; Chicago IL USA
3. Division of Hematology and Oncology; Department of Medicine; Comprehensive Sickle Cell Center; University of Illinois at Chicago; Chicago IL USA
4. Division of Public Health Sciences; Epidemiology Program; Fred Hutchinson Cancer Research Center; Seattle WA USA