Seret J, Gooset F, Durieux V, Lecocq D, Pirson M. Patient Prefer Adherence. 2019;13:1951–1960.
Page 1951, Introduction, line 2, the text “Three millions people are affected worldwide” should read “Three hundred million (300,000,000) people are affected worldwide”.
The authors apologize for this error and advise it does not affect the results of the paper.