Turner Grace, Aiyegbusi Olalekan Lee, Price Gary, Skrybant Magdalena, Calvert Melanie
Centre for Patient Reported Outcomes Research, University of Birmingham, Birmingham B15 2 TT, UK.
Institute of Applied Health Research, University of Birmingham, Birmingham B15 2 TT, UK.
J R Soc Med. 2020 Jan;113(1):16-23. doi: 10.1177/0141076819890551.