[1] St John Hosp & Med Ctr, Dept Med, Div Infect Dis, Detroit, MI USA
[2] Wayne State Univ, Sch Med, Dept Internal Med, Detroit, MI 48201 USA
[3] MHA Keystone Ctr Patient Safety & Qual, Michigan Hlth & Hosp Assoc MHA, Lansing, MI USA
[4] Univ Michigan Hlth Syst, Dept Internal Med, Patient Safety Enhancement Program, Ann Arbor, MI USA
[5] Ann Arbor Hlth Care Syst, Hosp Outcomes Program Excellence, Ann Arbor, MI USA
[6] Ann Arbor Hlth Care Syst, Ctr Clin Management Res, Dept Vet Affairs, Ann Arbor, MI USA
[7] St Joseph Mercy Hlth Syst, Infect Prevent & Control Serv, Ann Arbor, MI USA