title: The reply.
authors.affiliation: Medical Oncology Service, National Cancer Institute, National Institutes of Health, Bethesda, Md.
authors.forename: Vinay
authors.initials: V
authors.lastname: Prasad
authors.affiliation: Northwestern University, Chicago, Ill.
authors.forename: Julie
authors.initials: J
authors.lastname: Kim
authors.affiliation: Northwestern University, Chicago, Ill.
authors.forename: Jason
authors.initials: J
authors.lastname: Rho
mesh_terms: D034201:Computers, Handheld; D004059:Diffusion of Innovation; D019317:Evidence-Based Medicine; D006801:Humans; D014463:Ultrasonography / Q000295:instrumentation*