title: Response to Donaldson's commentary.
authors.affiliation: Clinical and Health Informatics, McGill University Faculty of Medicine, Montreal, Quebec, Canada, sara.ahmed@mail.mcgill.ca.
authors.forename: Sarah
authors.initials: S
authors.lastname: Ahmed
authors.forename: Nancy E
authors.initials: NE
authors.lastname: Mayo
mesh_terms: D006304:Health Status; D006801:Humans; D015233:Models, Statistical; D010361:Patients / Q000523:psychology*; D011788:Quality of Life; D011795:Surveys and Questionnaires; D014481:United States