McGregor, Gordon, Nichols, Simon, Hamborg, Thomas, Bryning, Lucy, Tudor-Edwards, Rhiannon, Markland, David, Mercer, Jenny, Birkett, Stefan, Ennis, Stuart, Powell, Richard, Begg, Brian, Haykowsky, Mark J., Banerjee, Prithwish, Ingle, Lee, Shave, Rob, Backx, Karianne, "High-intensity interval training versus moderate-intensity steady-state training in UK cardiac rehabilitation programmes (HIIT or MISS UK): study protocol for a multicentre randomised controlled trial and economic evaluation. [Protocol]", , 2016