Sabine Eichinger^1*, Ludwig Traby^1*, Alexandra Kaider^2*, Peter Quehenberger^3* and Paul Alexander Kyrle¹

¹Dept. of Internal Medicine I, Medical University of Vienna, Vienna, Austria
²Core Unit for Medical Statistics and Informatics, Medical University of Vienna, Vienna, Austria
³Institute of Medical and Chemical Laboratory Diagnostics, Medical University of Vienna, Vienna, Austria

Neil A Goldenberg, MD, PhD^1*, Timothy J. Bernard, MD^2*, Anne Gordon, MSc^3*, Heather J. Fullerton, MD, MSA^4* and Gabrielle A. deVeber, MD, MSc^5*

¹Depts of Pediatrics and Medicine and the Mountain States Regional Hemophilia and Thrombosis Center, Univ. of Colorado Denver and The Children's Hospital, Aurora, CO
²Dept. of Pediatrics, Division of Child Neurology and the Mountain States Regional Hemophilia and Thrombosis Center, Univ. of Colorado and The Children's Hospital, Aurora, CO
³Murdoch Children's Research Institute, Royal Children's Hospital, Melbourne, Australia
⁴Neurology, Univ. of California San Francisco and UCSF Children's Hospital, San Francisco, CA
⁵Neurology, Hospital for Sick Children, Toronto, ON, Canada

Michael J. Kovacs, MD, FRCPC, Jeffrey D.E. Hawel^*, Janelle F. Rekman^* and Alejandro Lazo-Langner, MD, MSc

Victoria Hospital, London, ON, Canada

Markus Schmugge, MD¹, Oliver Speer^1*, Sabine Kroiss^1*, Marlies Schmid^1*, Walter Knirsch^2*, Oliver Kretschmar^2*, Margaret L. Rand³ and Manuela Albisetti^1*

¹Haematology, University Children's Hospital Zurich, Zurich, Switzerland
²Cardiology, University Children's Hospital Zurich, Zurich, Switzerland
³Haematology, The Hospital for Sick Children, Toronto, ON, Canada

Frederick A Anderson Jr., PhD¹, Russell D Hull, MBBS^2*, Sebastian M Schellong, MD^3*, Bruno Deslandes^4*, Victor F Tapson, MD^5*, Meyer Michel Samama, MD, PharmD^6*, Alexander GG Turpie, MD^7*, Roger D Yusen, MD, MPH^8*, Herve Decousus, MD^9*, Alexander T Cohen, MBBS, MSc, MD, FRACP^10* and Manuel Monreal, MD^11*

¹Center for Outcomes Research, Univ. of Mass. Medical School, Worcester, MA
²Foothills Hospital, University of Calgary, Calgary, AB, Canada
³Hospital Carl Gustav Carus, Dresden, Germany
⁴Sanofi-aventis, Paris, France
⁵Duke University Medical Center, Durham, NC
⁶University Hospital, Hotel Dieu, Ivry-sur-Seine cedex, France
⁷HHSC McMaster Clinic, McMaster University, Hamilton, ON, Canada
⁸Washington University School of Medicine, St. Louis, MO
⁹Internal Medicine, University Saint-Etienne, Saint-Etienne, France
¹⁰Department of Vascular Surgery, King's College Hospital, London, United Kingdom
¹¹Hospital Germans Trias i Pujol, Barcelona, Spain

Yu Chen Barrett, Ph.D., Jessie Wang, Ph.D.^*, Zhigang Yu, Ph.D.^*, Andrew Shenker, M.D., Ph.D.^*, Robert Knabb, Ph.D.^* and Puneet Mohan, M.D., Ph.D.^*

Bristol-Myers Squibb, Princeton, NJ

David Varon¹, Shlomi Matetzky^2*, Paul Fefer^2*, Boris Shenkman^3*, Michael Shechter^2*, Nitza Levi^2*, Naphtali Savion^4* and Hanoch Hod^2*

¹Hematology, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
²Cardiology, Sheba Medical Center, Tel Hashomer, Israel
³Institute of thrombosis and hemostasis, Sheba Medical Center, Tel Hashomer
⁴Goldschleger Eye Research Institute, Tel Aviv University, Israel

IsmaïL. Elalamy^1*, B. Tardy-Poncet^2*, A. Mulot^3*, E. DeMaistre^4*, Claire Pouplard^5*, Philippe Nguyen^1*, M. Trossaert^6*, Y. Blanloeil^7*, B. Cleret^8*, Yves Gruel, MD⁹, T. Lecompte^10* and B. Tardy^11*

¹Haemostasis, Tenon Hospital, Paris, France
²Hématologie Biologique, CHU St Etienne, St Etienne, France
³Hématologie Biologique, CHU Nancy, Paris, France
⁴Hématologie Biologique, CHU Dijon, Paris, France
⁵Department of Hematology-Hemostasis, University hospital of Tours, Tours Cedex, France
⁶Hématologie Biologique, CHU Nantes, Paris, France
⁷Hématologie Biologique, CHU Nantes, Nantes, France
⁸Organon, Paris, France
⁹Dept. Hematology-Hemostasis, University Hospital of Tours, Tours, France
¹⁰CHU Nancy, Paris, France
¹¹Hématologie Biologique, CHU St Etienne, Paris, France

Alexander Gatt, MD, MRCP, FRCPath^1*, Anne Riddell^1*, Joost J van Veen^2*, Steve Kitchen^2*, Edward Tuddenham^3* and Michael Makris, MD⁴

¹Hemophilia Ctr. & Thrombosis Unit, The Royalfree Hospital, London, United Kingdom
²Sheffield Hemophilia and Thrombosis Centre, Royal Hallamshire Hospital, Sheffield, United Kingdom
³Hemophilia Ctr. & Thrombosus Unit, The Royalfree Hospital, London, ARRAY(0xc7e9c90)
⁴Dept. of Haematology, Sheffield Teaching Hospitals Trust, Sheffield, ARRAY(0xc0e07c8)

Bengt Eriksson, MD^1*, Alexander GG Turpie, MD^2*, Michael Rud Lassen, MD^3*, Ajay K Kakkar, Prof., PhD⁴, Frank Misselwitz, MD⁵, Tiemo Joerg Bandel^6*, Martin Homering^7*, Torsten Westermeier^8* and Michael Gent, MD^9*

¹Department of Orthopaedics, Sahlgrenska University Hospital/Ostra, Gothenburg, Sweden
²HHSC McMaster Clinic, McMaster University, Hamilton, ON, Canada
³Spine Clinic, Clinical Trials Unit,University of Copenhagen, Horsholm Hospital, Horsholm, Denmark
⁴Barts and The London School of Medicine, London, United Kingdom
⁵Bayer Healthcare Agency, Wuppertal, Germany
⁶Bayer Healthcare, Wuppertal, Germany
⁷Bayer HealthCare AG, Wuppertal, Germany
⁸Bayer Healthcare AG, Wuppertal, Germany
⁹Faculty of Health Sciences, McMaster University, W. Hamilton, Canada