Authors’ contributions
MH
SC is the chief investigator and medical expert and conceived the idea of the study. SC contributed to the development of the MANCAN2 guided self-help CBT Booklet intervention. GG is the methodological chief investigator and contributed to study design and protocol and was involved in developing the funding application. AR, MH, ES, JR, DF, SW, LF, JM, JN and RB are co-investigators. MH and ES developed the MANCAN2 guided self-help CBT Booklet intervention, which was based on that used in MANCAN. ES is the lead for CNS intervention delivery training and CNS supervision. SW contributed statistical advice and developed the statistical analysis plan. CB is the process evaluation lead. ET is responsible for the trial data management. JN, ZE, AM and AON are responsible for the management of the trial and its conduct. RB is the patient representative, contributing to the design and conduct of the trial. RB also contributed to the development of the MANCAN2 intervention. All authors contributed to the manuscript drafting and have read and approved the final manuscript.