University of Cologne - Cluster of Excellence Cellular Stress Responses in Aging-Associated Diseases (CECAD), IRCCS Regina Elena National Cancer Institute - Hematology and Stem Cell Transplant Unit, University of Cologne - Cluster of Excellence Cellular Stress Responses in Aging-Associated Diseases (CECAD), Masaryk University Hospital Brno - Hematology and Oncology, University Clinical Centre of Serbia - Faculty of Medicine, Hospital Universitario La Paz, Ospedale Dimiccoli Barletta - Ematologia con Trapianto, Università Vita-Salute San Raffaele - IRCCS Ospedale San Raffaele, AZ Sint-Jan Brugge-Oostende AV - Department of Nephrology and Infectious diseases, Wroclaw Medical University - Department of Haematology, Blood Neoplasms, and Bone Marrow Transplantation, San Luigi Gonzaga University Hospital, University Hospital of Parma - Hematology and Bone Marrow Unit, Udine University Hospital - Department of Medicine (DAME), Infectious Diseases Clinic, IRCCS Ospedale Policlinico San Martino, Ospedale Ferrarotto - Divisione Clinicizzata di Ematologia, AOUC Policlinico - Hematology and Stem Cell Transplantation Unit, Hospital Nuestra Señora de Sonsoles, Hospital Nuestra Señora de Sonsoles, Hospital Universitario Lucus Augusti (HULA), COVID hospital ''Batajnica'', Hospital Universitario Lucus Augusti (HULA), Universidad Autónoma de Madrid - FIIS-Fundacion Jimenez Diaz University Hospital, Fondazione Policlinico Universitario A. Gemelli IRCCS, Medical University of Innsbruck - Department of Internal Medicine V (Haematology & Oncology), Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Hospital Universitario Virgen Macarena - Department of Hematology, Marmara University - Department of Infectious Diseases and Clinical Microbiology, AZ KLINA, Eskisehir Osmangazi University - Department of Infectious Diseases and Clinical Microbiology, ASST-Spedali Civili of Brescia - Hematology, Aristotle University of Thessaloniki, "G. Papanikolaou” General Hospital of Thessaloniki, University of Hamburg - University Medical Center Hamburg-Eppendorf, University Clinical Centre of Serbia, University Clinical Centre of Serbia - Doktor medicine Klinika za hematologiju, Azienda Sanitaria Universitaria Friuli Centrale, University of Burgos - Department of Hematology, Hospital Universitario Infanta Leonor, University of Copenhagen - Department of Hematology, Centre Hospitalier Sud Francilien, University of Rome Tor Vergata - Department of Biomedicine and Prevention, “Vito Fazzi” Hospital - Hematology and Stem Cell transplant Unit, Instituto de Investigación Sanitaria Hospital "12 de Octubre" - Department of Hematology, Hôpital André Mignot - Department of Hematology, Centre Hospitalier de Versailles, University of Hamburg - University Medical Center Hamburg-Eppendorf, University of Copenhagen - Copenhagen University Hospital, Hospital Universitario Virgen Macarena - Department of Hematology, Marmara University - Department of Infectious Diseases and Clinical Microbiology, Medical University of Innsbruck - Department of Internal Medicine V (Haematology & Oncology), Azienda Ospedaliera “SS Antonio e Biagio e Cesare Arrigo”, Karolinska Institutet - Department of Infectious Diseases, Karolinska Institutet - Karolinska University Hospital, Universidad Autónoma de Madrid - FIIS-Fundacion Jimenez Diaz University Hospital, University Clinical Centre of Serbia, University Clinical Centre of Serbia, IRCCS Ospedale Policlinico San Martino, IRCCS Ospedale Policlinico San Martino, University of Cologne - Faculty of Medicine, Fondazione Policlinico Universitario Agostino Gemelli IRCCS and University of Cologne - Cluster of Excellence Cellular Stress Responses in Aging-Associated Diseases (CECAD)