title: Reply to the letter of O'Mahoney et al.: Patient-reported outcome is not confined to HRQOL.
authors.affiliation: Julius Centre for Health, Sciences and Primary Care University Hospital Utrecht, Utrecht, The Netherlands.
authors.forename: H M
authors.initials: HM
authors.lastname: van den Berg
authors.affiliation: The Hospital for Sick Children, Rheumatology; HPME & PHS University of Toronto, Toronto, Ontario, Canada.
authors.forename: B
authors.initials: B
authors.lastname: Feldman
authors.affiliation: Van Creveldkliniek, UMCU, Utrecht, The Netherlands.
authors.forename: K
authors.initials: K
authors.lastname: Fischer
authors.affiliation: Hematology/Oncology, Hospital for Sick Children, Toronto, Ontario, Canada.
authors.forename: V S
authors.initials: VS
authors.lastname: Blanchette
authors.affiliation: Flinders Medical Centre, Orthopaedics Christian Medical College, Vellore, TamilNadu, India.
authors.forename: P
authors.initials: P
authors.lastname: Poonnoose
authors.affiliation: Haematology, Christian Medical College, Vellore, TamilNadu, India.
authors.forename: A
authors.initials: A
authors.lastname: Srivastava
mesh_terms: D006801:Humans; D000071066:Patient Reported Outcome Measures