Watson, Angus J MBruhn, HanneMacLeod, KathleenMcDonald, AlisonMcPherson, GladysKilonzo, MaryNorrie, JohnLoudon, Malcolm AMcCormack, KirstyBuckley, BrianBrown, StevenCurran, FinlayJayne, DavidRajagopal, RameshCook, Jonathan A2015-01-272015-01-272014-11-11Watson, A J M, Bruhn, H, MacLeod, K, McDonald, A, McPherson, G, Kilonzo, M, Norrie, J, Loudon, M A, McCormack, K, Buckley, B, Brown, S, Curran, F, Jayne, D, Rajagopal, R & Cook, J A 2014, 'A pragmatic, multicentre, randomised controlled trial comparing stapled haemorrhoidopexy to traditional excisional surgery for haemorrhoidal disease (eTHoS) : study protocol for a randomised controlled trial', Trials, vol. 15, 439. https://doi.org/10.1186/1745-6215-15-4391745-6215ORCID: /0000-0002-3450-4536/work/170010852http://hdl.handle.net/2164/4214The authors would like to thank all participants for their involvement in the study and all the principal investigators and their teams at each of the eTHoS sites (the eTHoS trial collaborators) and Jennifer Burr who contributed at the design phase. Thanks are also due to Andrew Elders, trial statistician until June 2014. The study is supported by a grant from the National Institute for Health Research (NIHR), Health Technology Assessment (HTA) Programme - Project Number 08/24/02. The Health Services Research Unit of the University of Aberdeen is funded in part by the Chief Scientist Office of the Scottish Government Health and Social Care Directorates. The views and opinions expressed therein are those of the authors and do not necessarily reflect those of the Chief Scientist Office, HTA programme, NIHR, NHS or Department of Health. JAC held a MRC Medical Research Council UK training (reference no. G0601938) and methodology (reference no. G1002292) fellowships while this research was undertaken. The funders had no involvement in study design, collection, analysis and interpretation of data, reporting or the decision to publish.985638engSDG 3 - Good Health and Well-beinghaemorrhoidsstapled haemorrhoidopexyexcisional haemorrhoidectomyhaemorrhoid artery ligationrandomised controlled trialsdiscrete choice experimenthealth economicsanorectal surgerytrial incentivesR MedicineNational Institute for Health Research (NIHR)Medical Research Council (MRC)G0601938G1002292RJournal article10.1186/1745-6215-15-43915