title: Reply to Wolkewitz: When to Use Cumulative Risk-Based Versus Rate-Based Approaches in the Analysis of Hospital-Acquired Infection Risk Factors? That Depends on the Question.
authors.affiliation: 1Public Health Ontario,Toronto,Canada.
authors.forename: Kevin A
authors.initials: KA
authors.lastname: Brown
authors.affiliation: 3Sunnybrook Health Sciences Center,University of Toronto,Canada.
authors.forename: Nick
authors.initials: N
authors.lastname: Daneman
authors.affiliation: 4VA Salt Lake City Health Care System,Salt Lake City,Utah,United States.
authors.forename: Vanessa
authors.initials: V
authors.lastname: Stevens
authors.affiliation: 6Division of Epidemiology,University of Utah,Salt Lake City,United States.
authors.forename: Tom H
authors.initials: TH
authors.lastname: Greene
authors.affiliation: 2Division of Epidemiology,Dalla Lana School of Public Health,University of Toronto,Canada.
authors.forename: Paul
authors.initials: P
authors.lastname: Arora
mesh_terms: D003428:Cross Infection; D017052:Hospital Mortality; D006801:Humans; D012307:Risk Factors