1. Institute of Child Health, UCL; London UK
2. Department of Histopathology; UCL Institute of Child Health & Great Ormond Street Hospital for Children; London UK
3. Paediatric Radiology; Great Ormond Street Hospital for Children NHS Trust; London UK
4. Nikon Metrology; Tring UK
5. Department of Radiology, Studio Diagnostico Eco; Vimercate Milan Italy