[1] Univ Missouri, Dept Pharm Practice, Med Sch, Kansas City, MO 64108 USA
[2] St Louis Univ, Ctr Outcomes Res, St Louis, MO USA
[3] Washington Univ, Sch Med, Barnes Jewish Hosp, Dept Med, St Louis, MO USA
[4] Avera McKennan Hosp, Dept Pharm, Sioux Falls, SD USA