Safety and feasibility of stem cell boost as a salvage therapy for severe hematotoxicity after CD19 CAR T-cell therapy - Rejeski, Kai (German Cancer Consortium (DKTK), Munich Site, and German Cancer Research Center, Heidelberg, Germany) ; Burchert, Andreas (Department of Internal Medicine, Hematology, Oncology and Immunology, Philipps University Marburg and University Hospital Giessen and Marburg, Campus Marburg, Marburg, Germany) ; Iacoboni, Gloria (Universitat Autònoma de Barcelona. Departament de Medicina) ; Sesques, Pierre (Hospices Civils de Lyon, Université Claude Bernard Lyon 1, Pierre-Bénite, France) ; Fransecky, Lars (Universitätsklinikum Schleswig-Holstein (Alemanya)) ; Bücklein, Veit (Laboratory for Translational Cancer Immunology, LMU Gene Center, Munich, Germany) ; Trenker, Corinna (Department of Internal Medicine, Hematology, Oncology and Immunology, Philipps University Marburg and University Hospital Giessen and Marburg, Campus Marburg, Marburg, Germany) ; Hernani, Rafael (Hospital Clínic Universitari (València)) ; Naumann, Ralph (Medical Department III-Hematology and Oncology, St. Marien-Krankenhaus Siegen, Siegen, Germany) ; Schäfer, Jonas (Department of Internal Medicine, Hematology, Oncology and Immunology, Philipps University Marburg and University Hospital Giessen and Marburg, Campus Marburg, Marburg, Germany) ; Blumenberg, Viktoria (German Cancer Consortium (DKTK), Munich Site, and German Cancer Research Center, Heidelberg, Germany) ; Schmidt, Christian (Department of Medicine III, Hematology and Oncology, University Hospital, LMU Munich, Munich, Germany) ; Sohlbach, Kristina (Department of Internal Medicine, Hematology, Oncology and Immunology, Philipps University Marburg and University Hospital Giessen and Marburg, Campus Marburg, Marburg, Germany) ; von Bergwelt-Baildon, Michael (German Cancer Consortium (DKTK), Munich Site, and German Cancer Research Center, Heidelberg, Germany) ; Bachy, Emmanuel (Hospices Civils de Lyon, Université Claude Bernard Lyon 1, Pierre-Bénite, France) ; Barba, Pere (Universitat Autònoma de Barcelona. Departament de Medicina) ; Subklewe, Marion (German Cancer Consortium (DKTK), Munich Site, and German Cancer Research Center, Heidelberg, Germany)