Ferdows Atiq^1*, Johan Boender, MD^1*, Marjon H. Cnossen, MD, PhD^2*, Johanna G van der Bom, MD, PhD^3,4*, Karin Fijnvandraat, MD, PhD^5,6*, Joke de Meris^7*, Moniek P.M. de Maat, PhD^1*, Karin P.M. Van Galen, MD, MSc, PhD^8*, Britta A.P. Laros-Van Gorkom, MD, PhD^9*, Karina Meijer, MD, PhD¹⁰, Jeroen C.J. Eikenboom, MD, PhD^11,12 and Frank W.G. Leebeek, MD, PhD¹

¹Dept. of Hematology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands
²Dept. of Pediatric Hematology, Erasmus MC–Sophia Children’s Hospital, University Medical Center Rotterdam, Rotterdam, Netherlands
³Sanquin Research, Center for Clinical Transfusion Research, and Jon J van Rood Center for Clinical Transfusion Science, Leiden University Medical Center, Leiden, Netherlands
⁴Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, Netherlands
⁵Dept. of Plasma Proteins, Sanquin Research, Amsterdam, Amsterdam, Netherlands
⁶Pediatric Hematology, Amsterdam UMC, University of Amsterdam, Emma Children’s Hospital, Amsterdam, Netherlands
⁷Netherlands Hemophilia Society, Zoetermeer, Netherlands
⁸Van Creveldkliniek, University Medical Center, University Utrecht, Utrecht, Netherlands
⁹Dept. of Hematology, Radboud University Medical Center, Nijmegen, Netherlands
¹⁰Dept. of Hematology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
¹¹Department of Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, Netherlands
¹²Einthoven Laboratory for Vascular and Regenerative Medicine, Leiden University Medical Center, Leiden, Netherlands

Dino Mehic, MD^1*, Stefanie Hofer, PhD^1*, Christof Jungbauer, MD^2*, Alexandra Kaider^3*, Helmuth Haslacher, MD^4*, Ernst Eigenbauer^5*, Judit Rejtoe, MD^1*, Dieter Schwartz, MD^6*, Bernd Jilma⁷, Cihan Ay, MD^1*, Ingrid Pabinger, MD⁸ and Johanna Gebhart, MD, PhD^1*

¹Clinical Division of Haematology and Haemostaseology, Department of Medicine I, Medical University of Vienna, Vienna, Austria
²Austrian Red Cross, Blood Service For Vienna, Lower Austria and Burgenland, Vienna, Austria
³Center for Medical Statistics, Informatics and Intelligent Systems, Medical University of Vienna, Vienna, Austria
⁴Department of Laboratory Medicine, Medical University of Vienna, Vienna, Austria
⁵IT-Systems and Communications, Medical University of Vienna, Vienna, AUT
⁶Department of Blood Group Serology and Transfusion Medicine, Medical University of Vienna, Vienna, Austria
⁷Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
⁸Department of Medicine I, Clinical Divison of Haematology and Haemostaseology, Medical University of Vienna, Vienna, Austria

Ferdows Atiq^1*, Esmee Wuijster, BSc^1*, Moniek P.M. de Maat, PhD^1*, Marieke J.H.A. Kruip, MD, PhD^1*, Marjon H. Cnossen, MD, PhD^2* and Frank W.G. Leebeek, MD, PhD¹

¹Dept. of Hematology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands
²Dept. of Pediatric Hematology, Erasmus MC–Sophia Children’s Hospital, University Medical Center Rotterdam, Rotterdam, Netherlands

Brooke Sadler, PhD¹, Charles Minard, PhD^2*, Gabe Haller^3*, Christina Gurnett^4*, Sarah H. O'Brien, MD⁵, Allison P. Wheeler, MD⁶, Eric S. Mullins, MD⁷, Mukta Sharma, MD, MPH⁸, Robert F. Sidonio Jr., MD, MSc.⁹, Shilpa Jain¹⁰, Ayesha Zia¹¹, Margaret V. Ragni, MD, MPH¹², Roshni Kulkarni, MD¹³, Jennifer Dietrich^14*, Peter A. Kouides, MD¹⁵, Jorge Di Paola^16* and Lakshmi Srivaths, MD¹⁷

¹Washington University, Saint Louis, MO
²Dan L. Duncan Institute for Clinical and Translational Research, Baylor College of Medicine, Houston, TX
³Departments of Neurosurgery, Neurology and Genetics, Washington University, St Louis, MO
⁴Departments of Pediatrics, Neurology and Orthopaedic Surgery., Washington University, St Louis, MO
⁵Department of Pediatrics, The Ohio State University College of Medicine, Columbus, Ohio, Nationwide Children's Hospital, Columbus, OH
⁶Dept. of Pediatric Hem./Onc., Monroe Carell Jr. Children’s Hospital at Vanderbilt, Nashville, TN
⁷Division of Hematology, Cancer and Blood Diseases Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, OH
⁸Children’s Mercy Hospital, Kansas City, MO
⁹Emory University, Aflac Cancer and Blood Disorders, ATLANTA, GA
¹⁰University at Buffalo, Buffalo, NY
¹¹University of Southwestern Medical Center, Dallas, TX
¹²Department of Medicine - Division of Hematology/Oncology, University of Pittsburgh, Pittsburgh, PA
¹³Michigan State University Center for Bleeding and Clotting Disorders, East Lansing, MI
¹⁴Baylor College of Medicine, Houston, TX
¹⁵Department of Medicine, Mary M. Gooley Hemophilia Center, Rochester, NY
¹⁶Washington University in St. Louis, Saint Louis, MO
¹⁷Baylor College of Medicine / Texas Children's Hospital, Houston, TX

Assaf Arie Barg^1,2*, Gili Kenet³, Tami Livnat^4*, Einat Avishai^5*, Ivan Budnik, MD PhD^6*, Tami Brutman-Barazani^7*, Ilia Tamarin^8*, Aharon Lubetsky^9*, Dalia Bashari^9*, Rima Dardik, PhD^10*, Shadan Lalezari^11* and Mudi Misgav^12,13*

¹Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
²National Hemophilia Center and Coagulation Center and Amalia Biron Res Inst of Thromb & Hemost and Department of Pediatric Hematology-Oncology, Safra Children's Hospital, Tel Hashomer Medical Center, Ramat Gan, Israel
³Israel National Hemophilia Center and Thrombosis Institute, Chaim Sheba Medical Center, Tel Hashomer, Israel
⁴Israel National Hemophilia Center, Chaim Sheba Medical Center, Tel Hashomer and The Amalia Biron Thrombosis Research Institute, Tel Aviv, Israel
⁵The Israeli National Hemophilia Center and Thrombosis Unit, Ramat Gan, ISR
⁶Sechenov First Moscow State Medical University, Moscow, Russian Federation
⁷National Hemophilia Center and Thrombosis Unit and Amalia Biron Res Inst of Thromb & Hemost, Tel Hashomer, Israel
⁸The Israeli National Hemophilia Center affiliated to the Tel Aviv University, Ramat Gan, Israel
⁹The Israeli National Hemophilia Center affiliated to Tel Aviv University, Ramat Gan, Israel
¹⁰Sheba Medical Center, Tel Hashomer, Israel
¹¹The Israel National Hemophilia Center and Thrombosis Unit, Chaim Sheba Medical Center, Tel Hashomer, Israel
¹²National Hemophilia Center and Institute of Thrombosis & Hemostasis, Sheba Medical Center, Tel-Hashomer, Israel
¹³Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel