Protocol for a multi-site pilot and feasibility randomised controlled trial: Surgery versus PhysiothErapist-leD exercise for traumatic tears of the rotator cuff (the SPeEDy study) oleh Chris Littlewood, Julia Wade, Stephanie Butler-Walley, Martyn Lewis, David Beard, Amar Rangan, Gev Bhabra, Socrates Kalogrianitis, Cormac Kelly, Saurabh Mehta, Harvinder Pal Singh, Matthew Smith, Amol Tambe, James Tyler, Nadine E. Foster