Correction to: Establishing a core outcome set for mucopolysaccharidoses (MPS) in children: study protocol for a rapid literature review, candidate outcomes survey, and Delphi surveys.
B Correction to: Trials 22, 816 (2021) b B https://doi.org/10.1186/s13063-021-05791-8 b Following the publication of the original article [[1]], we were notified of the below affiliation corrections: Nancy J. Butcher is affiliated to 4 & 5 instead of 6 Martin Offringa is affiliated to 2, 4 & 6 instead of only 6 Farah El Turk is affiliated to 3 & 10, instead of just 3 The original article has been corrected. Reference 1 Howie A. Establishing a core outcome set for mucopolysaccharidoses (MPS) in children: study protocol for a rapid literature review, candidate outcomes survey, and Delphi surveys.