1. Service of Pediatric Surgery, Hospital Italiano Buenos Aires Argentina
2. Pediatric Cancer Center Barcelona (PCCB) Hospital Sant Joan de Déu Barcelona Spain
3. Resonance Memphis Tennessee USA
4. SIOP Education & Training CMT, LSEG London UK
5. Sanatorio Río Negro Cipolletti Argentina
6. Faculty of Health Sciences, School of Clinical Medicine University of the Witwatersrand, Charlotte Maxeke Johannesburg Academic Hospital Toronto Ontario Canada
7. Hospital for Sick Children Toronto Ontario Canada
8. Fundación Perez‐Scremini Montevideo Uruguay
9. University of California San Francisco San Francisco California USA
10. Institute of Pediatric Oncology (IOP/GRAACC) São Paulo Brazil