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Ranan Dasgupta, Sarah Cameron, Lorna Aucott, Graeme MacLennan, Mary M Kilonzo, Thomas BL Lam, Ruth Thomas, John Norrie, Alison McDonald, Ken Anson, James N’Dow, Neil Burgess, Charles T Clark, Francis X Keeley, Sara J MacLennan, Kath Starr & Samuel McClinton.

Ranan Dasgupta ¹, Sarah Cameron ², Lorna Aucott ³, Graeme MacLennan ², Mary M Kilonzo ⁴, Thomas BL Lam ^5,6, Ruth Thomas ², John Norrie ⁷, Alison McDonald ², Ken Anson ⁸, James N’Dow ⁵, Neil Burgess ⁹, Charles T Clark ¹⁰, Francis X Keeley ¹¹, Sara J MacLennan ⁶, Kath Starr ², Samuel McClinton ^5,*

¹ Department of Urology, Imperial College Healthcare NHS Trust, London, UK
² Centre for Healthcare Randomised Trials, University of Aberdeen, Aberdeen, UK
³ Health Services Research Unit, University of Aberdeen, Aberdeen, UK
⁴ Health Economics Research Unit, University of Aberdeen, Aberdeen, UK
⁵ NHS Grampian, Department of Urology, Aberdeen Royal Infirmary, Aberdeen, UK
⁶ Academic Urology Unit, University of Aberdeen, Aberdeen, UK
⁷ Usher Institute of Population Health Sciences and Informatics, University of Edinburgh, Edinburgh, UK
⁸ Department of Urology, St George’s University Hospitals NHS Foundation Trust, London, UK
⁹ Department of Urology, Norfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, UK
¹⁰ Stone Patient Advisory Group, Section of Endourology, British Association of Urological Surgeons, London, UK
¹¹ Bristol Urological Institute, North Bristol NHS Trust, Bristol, UK
^* Corresponding author Email: samuel.mcclinton@nhs.scot

Declared competing interests of authors: Lorna Aucott is a member of the Public Health Research Research Funding Board (2017–21). John Norrie reports grants from the University of Aberdeen and the University of Edinburgh during the conduct of the study, and declares membership of the following National Institute for Health Research (NIHR) boards: Cardiopulmonary Resuscitation Decision-Making Committee; Health Technology Assessment (HTA) Commissioning Board; HTA Commissioning Sub-Board (Expression of Interest); HTA Funding Boards Policy Group; HTA Post-Board Funding Teleconference; NIHR Clinical Trials Unit Standing Advisory Committee; NIHR HTA and Efficacy and Mechanism Evaluation (EME) Editorial Board; and the Pre-exposure Prophylaxis Impact Review Panel. Ken Anson reports grants from a NIHR HTA-funded study for SUSPEND (Spontaneous Urinary Stone Passage ENabled by Drugs) and the Percutaneous nephrolithotomy, flexible Ureterorenoscopy and Extracorporeal shockwave lithotripsy for lower pole kidney stones (PUrE) randomised controlled trial, he was co-applicant on both and principal investigator at the site. James N’Dow was a member of the HTA General Board (2016–March 2019). Francis X Keeley is a member of the Boston Scientific (Marlborough, MA, USA) Advisory Committee and is assisting with the development of a new ureteroscope (Olympus Medical, Hamburg, Germany). Kath Starr reports grants from the NIHR HTA programme during the conduct of the study.