title: Introduction.
authors.affiliation: Kaiser Permanente Hawaii, Center for Health Research, 501 Alakawa St., Honolulu, Hawaii 96817, USA. tom.m.vogt@kp.org
authors.forename: Thomas M
authors.initials: TM
authors.lastname: Vogt
authors.forename: Edward H
authors.initials: EH
authors.lastname: Wagner
mesh_terms: D035843:Biomedical Research; D003195:Computer Communication Networks; D006801:Humans; D008490:Medical Informatics; D008495:Medical Oncology / Q000458:organization & administration*; D009316:National Institutes of Health (U.S.) / Q000458:organization & administration*; D009939:Organizations, Nonprofit / Q000458:organization & administration*; D014481:United States