University of Wales College of Medicine, Cardiff, Wales, United Kingdom
University Birmingham, Birmingham, England, United Kingdom
Norfolk & Norwich Hospital, Norwich, England, United Kingdom
Groote Schuur Hospital, Cape Town, Cape Town, South Africa
Cochrane Cancer Network, Oxford, England, United Kingdom
University Birmingham, Birmingham, England, United Kingdom
Leeds Teaching Hospital Trust, Leeds, England, United Kingdom
Velindre Hospital, Cardiff, Wales, United Kingdom
Porto Alegre Hospital, Porto Alegre, Rio Grande do Sul, Brazil
Cancer Care Ontario-London Regional Cancer Centre, London, Ontario, Canada
Princess Margaret Hospital, Toronto, Ontario, Canada
Groote Schuur Hospital, Cape Town, Cape Town, South Africa
Royal Preston Hospital, Preston, United Kingdom
Bristol Royal Hospital for Sick Children, Bristol, England, United Kingdom
Saint Bartholomew's Hospital, London, England, United Kingdom
Porto Alegre Hospital, Porto Alegre, Rio Grande do Sul, Brazil
Cancer Care Ontario-London Regional Cancer Centre, London, Ontario, Canada
Norfolk & Norwich Hospital, Norwich, England, United Kingdom