St.Anna Children´s Hospital, Vienna, Austria(AUT), Austria
University Hospital Krems, Krems, Austria
University Hospital Tulln, Tulln, Austria
Universitätsklinik für Kinder- und Jugendheilkunde, Graz, Austria
Hospital Motol, Department of Pediatric Hematology and Oncology, BMT Unit, Praha, Czechia
St. Anna Kinderspital, Wien, Austria
St. Anna Children's Hospital, Vienna, Austria
Medical Universitiy of Vienna, Vienna, Austria
Medical University of Vienna, Department of Internal Medicine I, Vienna, Austria
Hospital Hietzing, Vienna, Austria
Hanusch Krankenhaus, Vienna, Austria
Hospital Sor Maria Ludovica, Department Hematology Stem Cell Transplant Unit, La Plata, Argentina
University Hospitals Leuven Kinderhemato-oncologie, Leuven, Belgium
Dana Children's Hospital, Tel Aviv, Israel
Charite Children's Hospital, Berlin, Germany
Gaslini Children's Hospital, Genova, Italy
St Anna Kinderspital, Vienna, Austria
Medical University in Gdansk, Gdansk, Poland
Children's University Hospital in Lublin, Lublin, Poland
University of Medical Sciences Poznan, Poznan, Poland
Hospital Universitario La Fe, Valencia, Spain
Gaslini Children's Hospital, Genova, Italy
Institut Gustave Roussy, Villejuif, France
Pediatric Immuno-Hematology Unit Robert Debré Hospital, Paris, France
Leiden University Hospital, Leiden, Netherlands
Department of Pediatric Oncology, Lund University Hospital, Lund, Sweden