UK
    Royal London    (internal trainees only)
    Royal Free Hospital
    University College London
    St George's Hospital, London
    Broomfield, London
    Royal Marsden
    Frimley Park (CPEX fellowship)
    Harrogate
    Kings College Hospital (peri-operative research)
    Kings College Hospital (CPET for medical and pre-operative patients)
    University Hospitals Bristol
    Royal Berkshire Hospital
    Royal Cornwall Hospital
    University Hospitals Bristol & Weston
USA
    University of Washington
    Montefiore, New York
    Duke
    Brigham and Women's Hospital, Massachusetts
    Vanderbilt, Tennessee
CANADA
    Ottowa
    Toronto
HONG KONG
    Teun Mun Hospital
NEW ZEALAND
    North Shore Hospital, Auckland   
    Middlemore Hospital, Auckland 
AUSTRALIA
    Canberra
    The Alfred Hospital, Melbourne
    Austin hospital, Melbourne
    Sir Charles Gairdner, Perth
    Fiona Stanley, Fremantle
    Westmead, Sydney
    University Hospital Geelong, Victoria