Adjuvant therapy of histopathological risk factors of retinoblastoma in Europe: A survey by the European Retinoblastoma Group (EURbG) - Dittner-Moormann, Sabine; Reschke, Madlen; Abbink, Floor; AERTS, isabelle; Atalay, Hatice Tuba; Fedorovna Bobrova, Nadezhda; Sábado Álvarez, Constantino; Institut Català de la Salut; Dittner-Moormann S Department of Pediatric Hematology and Oncology, University Duisburg-Essen, University Hospital Essen, Essen, Germany. Reschke M Department of Pediatric Oncology and Hematology, Charité - Universitätsmedizin Berlin, Berlin, Germany. Abbink FCH Amsterdam UMC, Location VU University Medical Centre, Amsterdam, The Netherlands. Aerts I Institut Curie, PSL Research University and University of Paris, Paris, France. Atalay HT Gazi University School of Medicine, Ankara, Turkey. Fedorovna Bobrova N Filatov Eye Institute Odessa, Odessa, Ukraine. Sábado Álvarez C Servei d’Oncologia i Hematologia Pediàtriques, Vall d’Hebron Hospital Universitari, Barcelona, Spain; Vall d'Hebron Barcelona Hospital Campus (Scientia, 2021)