1. Department of Clinical Biochemistry, Ipswich Hospital, East Suffolk and North Essex NHS Foundation Trust, Ipswich, UK
2. Association of Clinical Biochemistry and Laboratory Medicine Pre-Analytical Phase Special Interest Group, London, UK
3. Department of Clinical Chemistry, Birmingham Children’s Hospital, Birmingham Women’s and Children’s NHS Foundation Trust, Birmingham, UK
4. Department of Clinical Chemistry, Worcestershire Acute Hospital NHS Trust, Worcester, UK
5. Department of Clinical Biochemistry, Cork University Hospital, Wilton, Cork, Republic of Ireland
6. Becton, Dickinson U.K. Ltd, Wokingham, UK