University of Otago - Department of Medicine, University of Auckland, Hawke's Bay District Health Board, Monash University, Whangarei Hospital, Canterbury District Health Board, University of Auckland - Department of General Practice, University of Otago - University of Otago Wellington, Medical Research Institute of New Zealand, Medical Research Institute of New Zealand, Stroke Foundation New Zealand, Vantagepoint Solutions Limited, Massey University - Research Centre for Hauora and Heath, Massey University - Research Centre for Hauora and Heath, Massey University - Research Centre for Hauora and Heath and University of Otago - Department of Medicine