title: Letter: Response to Perry and Venkat.
authors.affiliation: University of Pennsylvania, Perelman School of Medicine, Department of Medical Ethics and Health Policy, 3401 Market St., Ste 320, Philadelphia, Pennsylvania 19104-3319 USA. fiester@mail.med.upenn.edu.
authors.forename: Autumn
authors.initials: A
authors.lastname: Fiester
mesh_terms: D003657:Decision Making / Q000941:ethics*; D026822:Ethicists; D033061:Ethics Consultation / Q000941:ethics* / Q000458:organization & administration*; D005190:Family; D006801:Humans; D028681:Moral Obligations; D010361:Patients; D019727:Proxy