[1] US Dept Vet Affairs, Ctr Excellence Implementing Evidence Based Practi, Richard L Roudebush VA Med Ctr, Vet Hlth Adm,Hlth Serv Res & Dev Serv HFP 04 148, Indianapolis, IN 46254 USA
[2] Regenstrief Inst Inc, Indianapolis, IN USA
[3] Indiana Univ, Ctr Hlth Serv & Outcomes Res, Indianapolis, IN 46204 USA
[4] Purdue Univ, Sch Pharm, Dept Pharm Practice, W Lafayette, IN 47907 USA
[5] Univ Florida, Dept Emergency Med, Jacksonville, FL USA
[6] Univ London Imperial Coll Sci Technol & Med, Clin Safety Res Unit, London, England