The study is taking place at the following three sites:

Cumbria, Northumberland, Tyne and Wear (Tyneside)

• Cumbria, Northumberland, Tyne and Wear NHS Foundation Trust (Clinical Lead: Dr Emma Honey)
• Newcastle University (Research Associate: Dr Magda Glod and Research Associates, Research Lead: Prof Jacqui Rodgers)

Tees, Esk and Wear Valley (Teesside)

• Tees, Esk and Wear Valley NHS Foundation Trust (Clinical Lead: Dr Elspeth Webb)
• Durham University (Research Associate: Helen Probert, Research Lead: Prof Deborah Riby)

Edinburgh and the Lothians

• NHS Lothian (Clinical Lead: Dr Leila Mackie, Co-investigator: Zoe Grayson)
• University of Edinburgh (Research Associate: Research Associates and Research Associates, Research Lead: Prof Sue Fletcher-Watson)

In addition, families are being referred to the study by clinicians at the following NHS trusts:

• County Durham and Darlington NHS Foundation Trust
• Gateshead Health NHS Foundation Trust
• Northumbria Healthcare NHS Foundation Trust
• South Tyneside and Sunderland NHS Foundation Trust
• North Tees and Hartlepool NHS Foundation Trust
• The Newcastle upon Tyne Hospitals NHS Foundation Trust
• NHS Lanarkshire
• NHS Forth Valley