Bristol Royal Hospital for Children, Bristol, Avon, United Kingdom
Rigshospitalet, Kobenhavn, Denmark
Birmingham Children's Hospital, Birmingham, West Midlands, United Kingdom
Kreiskliniken Reutlingen, Reutlingen, Baden-Württemberg, Germany
Southampton Children's Hospital, Southampton, Hampshire, United Kingdom
Birmingham Children's Hospital, Birmingham, West Midlands, United Kingdom
Alder Hey Children's Hospital, Liverpool, Merseyside, United Kingdom
Oregon Health and Science University, Portland, Oregon, United States
Birmingham Women's and Children's NHS Foundation Trust, Burringham, West Midlands, United Kingdom
NHS Greater Glasgow and Clyde, Glasgow, Lanarkshire, United Kingdom
Bradford Teaching Hospitals NHS Foundation Trust, Bradford, West Yorkshire, United Kingdom
Birmingham Children's Hospital NHS Foundation Trust, Birmingham, West Midlands, United Kingdom
NHS Greater Glasgow and Clyde, Glasgow, Lanarkshire, United Kingdom
Bradford Teaching Hospitals NHS Foundation Trust, Bradford, West Yorkshire, United Kingdom
Leeds Teaching Hospitals NHS Trust, Leeds, West Yorkshire, United Kingdom
Central Manchester University Hospitals NHS Foundation Trust, Manchester, Greater Manchester, United Kingdom
Bristol Royal Hospital for Children, Bristol, Avon, United Kingdom
Leeds Children's Hospital, Leeds, West Yorkshire, United Kingdom
Salford Royal NHS Foundation Trust, Salford, Greater Manchester, United Kingdom
Universitatsklinikum Bonn, Bonn, Germany
Universitatsklinikum Koln, Cologne, Germany
Universitatsklinikum Essen, Essen, Germany