[1] Padova Univ Hosp, Div Hematol Oncol, Dept Womens & Childrens Hlth, Padua, Italy
[2] Univ Paris, Dept Pediat Surg, Hop Necker Enfants Malad, Paris, France
[3] Med Univ Gdansk, Dept Pediat Hematol & Oncol, Gdansk, Poland
[4] Univ Paris Saclay, Dept Paediat & Adolescent Oncol, INSERM U1015, Gustave Roussy, Villejuif, France
[5] Fdn IRCCS Ist Nazl Tumori Milano, Pediat Oncol Unit, Milan, Italy
[6] Marciniak Hosp, Dept Pediat Surg, Wroclaw, Poland
[7] Paris Sci Lettres Res Univ, Inst Curie, Dept Genet, Paris, France
[8] Hop Femme Mere Enfant, Dept Pediat Surg, Lyon, France
[9] Inst Curie, Dept Radiotherapy, Paris, France
[10] Dortmund Municipal Hosp, Pediat Clin, Dortmund, Germany
[11] Ctr Hosp Univ, Pediat Hematol Oncol Dept, St Denis, France
[12] Univ Hosp Cruces, Pediat Oncol Hematol Unit, Barakaldo Bizkaia, Spain
[13] Univ Childrens Hosp Univ Belgrade, Dept Hematol & Oncol, Belgrade, Serbia
[14] Univ Med Ctr, Ljubljana, Slovenia
[15] Natl Inst Childrens Dis, Dept Pediat Hematol & Oncol, Bratislava, Slovakia
[16] Comenius Univ, Bratislava, Slovakia
[17] Vilnius Univ, Inst Clin Med, Pediat Clin, Fac Med, Vilnius, Lithuania
[18] Ss Cyril & Methodius Univ Skopje, Univ Clin Childrens Dis Med Fac, Dept Hematol & Oncol, Skopje, North Macedonia
[19] Oncol Inst Prof Dr Ion Chiricuta, Oncopediat Dept, Cluj Napoca, Romania
[20] PA Kyriakou Childrens Hosp, Dept Oncol, Athens, Greece
[21] Kaplan Med Ctr, Pediat Hematol Unit, Rehovot, Israel
[22] Univ Rijeka, Dept Pediat, Clin Hosp Ctr Rijeka, Rijeka, Croatia
[23] Klinikum Stuttgart Olgahosp, Pediat Oncol Hematol Immunol 5, Stuttgart Canc Ctr, Stuttgart, Germany
[24] Childrens Minnesota, Int PPB DICER1 Registry, Canc & Blood Disorders, Minneapolis, MN USA
[25] Eberhard Karls Univ Tuebingen, Childrens Hosp, Pediat Hematol & Oncol, Tubingen, Germany
[26] PSL Univ, Inst Curie, SIREDO Oncol Ctr Care Innovat & Res Children Adol, Paris, France