title: Volunteerism.
authors.affiliation: Department of Surgery, Johns Hopkins Hospital, Baltimore, MD 21287, USA. feckhau2@jhmi.edu
authors.forename: Frederic E
authors.initials: FE
authors.lastname: Eckhauser
authors.forename: Julie Ann
authors.initials: JA
authors.lastname: Freischlag
mesh_terms: D006801:Humans; D008493:Medical Missions; D010686:Philosophy, Medical; D014838:Volunteers