ACKNOWLEDGEMENTS The authors would like to acknowledge the following SCORE collaborators: Peter SE Davies, Ninewells Hospital, Dundee; Matthew Howell, Queen Elizabeth Hospital, Glasgow; Stuart Goudie, Edinburgh Royal Infirmary; Sarah L Gill, Queen Elizabeth Hospital, Glasgow; Arpit Jariwala, Ninewells Hospital, Dundee and George P Ashcroft, University of Aberdeen.Peer reviewedPublisher PD

MacDonald, David R W

McMillan, T E

Nelly, D W