There are 6 Paediatric Intensive Care Units (PICUs) in England that perform a lot of kidney support for small babies who have agreed to take part. Each of the hospitals listed below have agreed to collect and record detailed information on small babies who are receiving dialysis in their Paediatric Intensive Care Unit:

• Birmingham - Birmingham Children's Hospital
• Bristol - Bristol Royal Hospital for Children
• London - Great Ormond Street Hospital
• London - Evelina London Children's Hospital
• Newcastle - Newcastle Hospitals, Great North Children's Hospital and Freeman Hospital
• Southampton - General Hospital