title: What did we do before mHealth?
authors.affiliation: Division of Hospital Medicine, University of California San Francisco, San Francisco, California.
authors.forename: S Ryan
authors.initials: SR
authors.lastname: Greysen
authors.forename: Andrew D
authors.initials: AD
authors.lastname: Auerbach
mesh_terms: D035843:Biomedical Research / Q000379:methods / Q000639:trends*; D006801:Humans; D017216:Telemedicine / Q000639:trends*; D059015:Wireless Technology / Q000639:trends*