RT Journal Article SR Electronic T1 Correction: Agile development of a digital exposure treatment for youth with chronic musculoskeletal pain: protocol of a user-centred design approach and examination of feasibility and preliminary efficacy JF BMJ Open JO BMJ Open FD British Medical Journal Publishing Group SP e065997corr1 DO 10.1136/bmjopen-2022-065997corr1 VO 12 IS 12 YR 2022 UL http://bmjopen.bmj.com/content/12/12/e065997corr1.abstract AB