Hanny Al-Samkari, MD^1,2, Josefien Hessels, MD^3*, Antoni Riera-Mestre, MD^4*, Sophie Dupuis-Girod, MD^5*, Thibaut Van Zele, MD^6*, Vincente Gómez del Olmo, MD^7*, Pierre Saint-Mezard, PhD^8*, Hedvika Lazar, MSc, MPH^8*, Damien Picard, MD^8*, Debra Barker, MD^8*, Elisabetta Buscarini, MD^9* and Hans-Jurgen Mager, MD^3*

¹Harvard Medical School, Boston, MA
²Division of Hematology Oncology, Massachusetts General Hospital, Harvard Medical School, Boston, MA
³St. Antonius Hospital, Nieuwegein, Netherlands
⁴HHT Unit, Internal Medicine Department, Hospital Universitari de Bellvitge, Barcelona, Spain
⁵Femme-Mère-Enfants Hospital, Hospices Civils de Lyon, Lyon, France
⁶Upper Airways Research Laboratory, Ghent University Hospital, Ghent, Belgium
⁷Internal Medicine Department, Hospital Universitario Ramón y Cajal, Madrid, Spain
⁸Vaderis Therapeutics AG, Basel, Switzerland
⁹HHT Reference Center ERN, Ospedale Maggiore, ASST Crema, Crema, Italy

Ellen Cusano, MD¹, Julia Hews-Girard, RN PhD^2*, Mujtaba Basharat, BSc^3*, Lindsay Cowley, MA^4*, Julie Grabell^5*, Nancy Hodgson^6*, Kelly Pittman, RN BN MN^7*, Allison Rupnaraine^8*, Rowan Thillaye-Kerr^8*, Brendan Cord Lethebe^9*, Paula James, MD, FRCPC¹⁰, Roy Khalife, MD, FRCPC^4,11, Natasha Pardy, MD, FRCPC^12*, Chai W. Phua, MD, FRCPC³, Oksana C. Prokopchuk-Gauk, MD FRCPC DRCPSC¹³, Michelle Sholzberg, MD, M.Sc¹⁴, Haowei Linda Sun, MD MHSc FRCPC¹⁵, Man-Chiu Poon, MD¹⁶ and M. Dawn Goodyear, MD, MSc¹⁷

¹Center for Bleeding and Clotting Disorders, University of California San Diego, San Diego, CA
²Faculty of Nursing, University of Calgary, Calgary, AB, Canada
³Department of Medicine, Division of Hematology, Western University, London, ON, Canada
⁴Ottawa Hospital Research Institute, Ottawa, ON, Canada
⁵Department of Medicine, Queen's University, Kingston, ON, Canada
⁶University of Saskatchewan, Clinical Trial Support Unit, Saskatoon, SK, Canada
⁷Division of Clinical Research, Newfoundland and Labrador Health Services, St. John’s, NF, Canada
⁸Hematology Oncology Clinical Research Group, St. Michael’s Hospital, Toronto, ON, Canada
⁹Clinical Research Unit, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
¹⁰Division of Hematology, Department of Medicine, Queen's University, Kingston, ON, Canada
¹¹Department of Medicine, University of Ottawa, The Ottawa Hospital, Gatineau, QC, Canada
¹²Division of Hematology, Eastern Health, St. John's, NF, Canada
¹³University of Saskatchewan, Department of Pathology and Lab Medicine, Saskatoon, SK, Canada
¹⁴Departments of Medicine, and Laboratory Medicine and Pathobiology, St. Michael’s Hospital, Li Ka Shing Knowledge Institute, University of Toronto, Toronto, ON, Canada
¹⁵Division of Hematology, Department of Medicine, University of Alberta, Edmonton, AB, Canada
¹⁶Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
¹⁷Department of Medicine, Division of Hematology and Hematological Malignancies, University of Calgary, Calgary, AB, Canada

Inga M. Schimansky, MD^1*, Andreas Tiede, MD², Christiane Dobbelstein^2*, Dr. Robert Klamroth^3*, Christina Hart, MD^4*, Ulrich J. Sachs, MD, PhD^5*, Richard Greil, MD⁶, Paul N. Knöbl, MD^7*, Johannes Oldenburg, MD⁸, Christian Pfrepper, MD^9*, Karolin Trautmann-Grill^10*, Patrick Moehnle^11*, Katharina Holstein^12* and Wolfgang A. Miesbach, MD, PhD^13*

¹Hematology, Hemostasis, Oncology and Stem Cell Transplantation, Hannover Medical School, Hannover, Germany
²Department of Hematology, Hemostasis, Oncology, and Stem Cell Transplantation, Hannover Medical School, Hannover, Germany
³Vivantes Klinikum im Friedrichshain, Berlin, Berlin, Germany
⁴Medical Clinic III, University Hospital Regensburg, Regensburg, Germany
⁵Institute for Clinical Immunology, Transfusion Medicine, and Haemostasis, Justus Liebig University Giessen, Giessen, Germany
⁶Paracelsus Medical University, Department of Internal Medicine III with Hematology, Medical Oncology, Hemostaseology, Infectiology and Rheumatology, Oncologic Center, Salzburg Cancer Research Institute - Laboratory for Immunological and Molecular Cancer Research (SCRI-LIMCR), Salzburg, Austria
⁷Division of Hematology and Hemostasis, Department of Medicine I, Medical University of Vienna, Vienna, Austria
⁸Institute for Experimental Hematology and Transfusion Medicine, University Hospital Bonn, Bonn, Germany
⁹Division of Hemostaseology, Medical Department I, University Hospital Leipzig, Leipzig, Germany
¹⁰University Hospital Carl Gustav Carus, Dresden, Germany
¹¹Department of Transfusion Medicine, Cellular Therapeutics and Hemostaseology, Department of Anesthesiology,, Hospital of Ludwig Maximilian University, Munich, Germany, Muenchen, DEU
¹²Hematology and Oncology,, University Medical Center Hamburg-Eppendorf, Hamburg, Germany, Hamburg, DEU
¹³University Hospital, Haemophilia Ctr., Frankfurt, Germany

Lauren E. Amos, MD MS¹, Hung-Wen Yeh, Phd^1*, Ayesha Zia, MD, MSc², Meera Chitlur, MD³, Lynn Malec, MD MSc^4* and Allison P. Wheeler, MD⁵

¹Children's Mercy Kansas City, Kansas City, MO
²University of Texas Southwestern Medical Center, Dallas, TX
³Central Michigan University, Carmen and Ann Adams Department of Pediatrics, Children's Hospital of Michigan, Detroit, MI
⁴Versiti Blood Research Institute, Milwaukee, WI, US; Department of Medicine and Pediatrics, Division of Hematology/Oncology, Medical College of Wisconsin, WI, US, Milwaukee, WI
⁵Washington Center for Bleeding Disorders, Seattle, WA

Wolfgang Korte, MD¹, Justus Bürgi, PhD^2* and Christian Haslinger, MD^3*

¹Hemostasis and Hemophilia Center, Center For Laboratory Medicine St. Gallen, St. Gallen, Switzerland
²Hemostasis and Hemophilia Center, Center for Laboratory Medicine, St. Gallen, Switzerland
³Department of Obstetrics, University Hospital Zürich, Zurich, CHE

Ellen Zhang, MD¹, Pamela G Hodges, PhD, ANP^2*, Josanna Rodriguez-Lopez, MD^3,4* and Hanny Al-Samkari, MD^2,4

¹Department of Medicine, Stanford University Medical Center, Palo Alto, CA
²Division of Hematology Oncology, Massachusetts General Hospital, Boston, MA
³Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Boston, MA
⁴Harvard Medical School, Boston, MA