[1] Univ Maryland, Sch Pharm, Pharmaceut Hlth Serv Res, Baltimore, MD 21201 USA
[2] Univ Maryland, Sch Pharm, Baltimore, MD 21201 USA
[3] Amer Canc Soc, Atlanta, GA 30329 USA
[4] Bayer HealthCare Pharmaceut, Wayne, NJ USA
[5] Univ Maryland, Dept Surg, Div Gen & Oncol Surg, Baltimore, MD 21201 USA