Gerald Bertrand^1*, Vincent Jallu^1*, Dominique Kervran^2*, Corinne Martageix^1* and Cecile Kaplan-Gouet, MD³

¹Platelet Immunology, GIP-INTS, 75015 Paris, France
²Centre Hospitalier Regional, Orleans, France
³INTS, Paris, France

Ameet Sarpatwari, MPhil^1*, Dimitri Bennett, MD, MPH^2*, John W Logie, PhD^3*, Amit Shukla, BSc^2*, Kathleen J Beach, MD, MPH^4*, Adrian Newland, MD, FRCP⁵, Simon Sanderson, MD^1* and Drew Provan, MD^6*

¹Department of Public Health and Primary Care, University of Cambridge, London, England
²WWEpidemiology Department, GlaxoSmithKline, Philadelphia, PA
³WWEpidemiology Department, GlaxoSmithKline, Greenford, England
⁴WWEpidemiology Department, GlaxoSmithKline, Research Triangle Park, NC
⁵Department of Haematology, Barts and The London School of Medicine and Dentistry, London
⁶Department of Haematology, Barts and The London School of Medicine and Dentistry, London, England

Hagop Bessos, BSc, MSc, PhD, FRCPath^1*, Pamela Brown, BSc, PhD^2*, Gholamreza Anani Sarab, MSc^3*, Shirley Gibson, MIBMS^4*, Michael Moss, BSc, PhD^5*, Robert N Barker, BSc, PhD^3* and Stanislaw J Urbaniak, MBChB, PhD, FRCP, FRCPath⁶

¹Research and Development, Scottish National Blood Transfusion Service, Edinburgh, United Kingdom
²Human Reproductive Sciences Unit, Medical Research Council, Edinburgh, United Kingdom
³Department of Medicine & Therapeutics, University of Aberdeen, Aberdeen, United Kingdom
⁴Processing and Testing, Scottish National Blood Transfusion Service, Edinburgh, United Kingdom
⁵Department of Medicine and Therapeutics, University of Aberdeen, Aberdeen, United Kingdom
⁶Department of Medicine and Therapeutics, Academic Transfusion Medicine Unit, Aberdeen, United Kingdom

Marcie J Hursting, PhD^1* and Ik-Kyung Jang, MD, PhD^2*

¹Clinical Science Consulting, Austin, TX
²Cardiology Division, Massachusetts General Hospital, Boston, MA

Rong-Fu Zhou, Jian Ou-yang^*, Da-Yu Chang^*, Jing-Yan Xu^*, Bing Chen^*, Yong-Gong Yang^*, Qi-Guo Zhang^* and Xiao-Yan Shao^*

Hematology, Nanjing Drum Tower Hospital of Nanjing University, Nanjing, China

Katharina Schallmoser^1*, Camilla Drexler^1*, Eva Rohde^1*, Dirk Strunk², Andrea Groselj-Strele^3*, Gerhard Lanzer^1*, Hartmut Kroll^4* and Simon Panzer^5*

¹University Clinic of Blood Group Serology and Transfusion Medicine, Medical University of Graz, Graz, Austria
²Department of Hematology and Stem Cell Transplantation, University Clinic of Internal Medicine, Medical University of Graz, Graz, Austria
³Medical Research Center, Medical University of Graz, Graz, Austria
⁴Institute for Transfusion Medicine Dessau, Red Cross Blood Transfusion Service NSTOB, Dessau, Germany
⁵Clinical Department of Blood Group Serology, Medical University of Vienna, Vienna, Austria

Zofia E. Dziewanowska, MD, PhD¹, Ram P. Kapil, PhD^1*, J. K. Zhang, PhD^1*, Jolene K. Berg, MD^2*, Victor J. Stevens, PhD^1*, Richard M. Matsumoto, PhD^1*, Lisa Greenberg^1* and Maryanna Y. Morris^1*

¹Clinical Research, Ligand Pharmaceuticals, San Diego, CA
²CEDRA Clinical Research, San Antonio, TX

Paquita Nurden^1*, Narendra Tandon^2*, Hisao Takizawa^2*, Xiaoqi Gong^2*, Alice Conception^2*, Delphine Morel^3*, Pierre Merville^3*, Sebastien Loya^4*, Martine Jandrot-Perrus^4* and Alan T. Nurden¹

¹Centre de Référence des Pathologies Plaquettaires/Plateforme Technologique et d'Innovation Biomédicale, Hôpital Xavier Arnozan, Pessac, France
²Otsuka Maryland Medicinal Labs Inc, Rockville, MD
³Service de Transplantation Rénale, CHU Bordeaux, Bordeaux, France
⁴Inserm U698, CHU Xavier Bichat, Paris, France

Xiao-Lin Zhang, PhD^*, Jun Peng, MD^*, Shu-Qian Xu^*, Xin-Guang Liu^*, Yuan Yu, MD^*, Ping Qin, MD^*, Yan Shi, PhD^*, Lin Wang, PhD^* and Ming Hou, MD, PhD^*

Department of Hematology, Qilu Hospital, Shandong University, Jinan, China

Xueli Zhang^1*, Shaohua Chen^2*, Lijian Yang^2*, Kanger Zhu, MD¹ and Yangqiu Li²

¹Department of Hematology, First Affiliated Hospital, Jinan University, Guangzhou, China
²Institute of Hematology, Medical College, Jinan University, Guangzhou, China

Koji Miyazaki, MD, PhD^*, Mikio Danbara^*, Manabu Ohsaka^*, Yuhko Suzuki^*, Ryouichi Horie^* and Masaaki Higashihara^*

Department of Hematology, Kitasato University School of Medicine, Sagamihara, Japan

John D. Grainger, MD, BMBch, MRCP, FRCPATH¹, Joanne L Rees^1*, Marie Reeves^1* and Paula HB Bolton-Maggs, BMBch, DM, FRCP, FRCPath²

¹Royal Manchester Children's Hosp., Manchester, United Kingdom
²Dept. of Clinical Haematology, Manchester Royal Infirmary, Manchester, United Kingdom

Howard A. Liebman, MA, MD¹, Mansoor N. Saleh, MD^2*, Rashid Abassi, MD^3*, Thomas M. Cosgriff, MD⁴, Nick Teoh, PhD^5*, Matthew J Leoni, MD^5*, William Wegener, MD, PhD⁵ and David M Goldenberg, ScD, MD^5*

¹Jane Anne Nohl Division of Hematology, University of Southern California-Keck School of Medicine, Los Angeles, CA
²Georgia Cancer Specialists, Atlanta, GA
³Hematology Oncology Specialists, Denville, NJ
⁴Hematology Oncology Specialists, Metairie, LA
⁵Immunomedics, Inc., Morris Plains, NJ

Donald M. Arnold, MD¹, Ashley Bernotas^2*, Ishac Nazi, PhD^3*, Roberto Stasi, MD^4*, Masataka Kuwana, MD, PhD^5*, John G. Kelton, MD, FRCPC¹ and Mark A. Crowther, MD⁶

¹McMaster University, Hamilton, ON, Canada
²Medicine, McMaster University, Hamilton, ON, Canada
³Pathology and Molecular Medicine, McMaster University, Hamilton, ON, Canada
⁴Ospedale Regina Apostolorum, Albano Laziale, Italy
⁵Medicine, Keio University School of Medicine, Tokyo, Japan
⁶St. Joseph's Hospital and McMaster University, Hamilton, Ontario, Canada

Dorothee Leroux^1*, Claire Pouplard, PharmD, PhD^1*, Benoit Guillet, MD, PhD^2*, Beatrice Cosne^1*, Marc Antoine May, MD^3* and Yves Gruel, MD¹

¹Dept. Hematology-Hemostasis, University Hospital of Tours, Tours, France
²Dept. Hematology-Hemostasis, University Hospital of Rennes, Rennes, France
³Dept Anesthesiology, University hospital of Tours, Tours, France

Howard Liebman, MD, FACP¹, David Henry, MD², Francois Lefrere, MD^3*, Jean-Francois Viallard, MD^4*, Alan Lichtin, MD⁵, James George, MD⁶, Miguel Sanz, MD, PhD^7*, Kathy Zhang, PhD^8* and Mark Rutstein, MD^9*

¹Jane Anne Nohl Division of Hematology, University of Southern California, Keck School of Medicine, Los Angeles, CA
²Joan Karnell Cancer Center, Philadelphia, PA
³Service d'Hematologie Adulte, Paris Cedex 15, France
⁴Medecine Interne - Maladies Infectieuses, Pessac, France
⁵The Cleveland Clinic Foundation, Cleveland, OH
⁶University of Oklahoma Health Sciences Center, Oklahoma City, OK
⁷Hospital Universitario La Fe, Valencia, Spain
⁸Amgen Inc., South San Francisco, CA
⁹Amgen Inc., Thousand Oaks, CA

David J Kuter, MD, DPhil¹, Ghulam Mufti, MD^2*, Barbara Bain, MD^3*, Robert Hasserjian, MD¹ and Mark Rutstein, MD^4*

¹Massachusetts General Hospital, Boston, MA
²King's College Hospital, London, United Kingdom
³St. Mary's Hospital, London, United Kingdom
⁴Amgen Inc., Thousand Oaks, CA

Oliver Speer, PhD^1*, Markus Schmugge, MD¹, Imane Azzouzi^1*, Margaret L. Rand² and Sabine Kroiss, MD^1*

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

Karl D'Silva, MD^1*, Mathew Zamora, BS^2*, John Gerlach, PhD^3* and Kenneth A. Schwartz, MD⁴

¹Medicine, Michgian State University, East Lansing, MI
²Biomedical Laboratory Diagnostics, Michgian State University, East Lansing, MI
³Biomedical Laboratory Diagnostics, Michigan State Univeristy, East Lansing, MI
⁴Dept. of Medicine, Michigan State University, East Lansing, MI

Daniel W. Bougie, PhD¹, Brian Boylan^1*, Dhirendra Nayak^1*, Peter J. Newman, PhD¹ and Richard H. Aster, MD²

¹BloodCenter of Wisconsin, Milwaukee, WI
²Blood Research Institute, BloodCenter Wisconsin, Milwaukee, WI

Johannes R Rischewski, MD^1*, Johanna Wyss^1*, Sylvie Stocker^1*, Martin Hergersberg, PhD^2*, Andreas R Huber, MD² and Thomas Kühne, MD^1*

¹Pediatric Oncology/ Hematology, University Children's Hospital Basel, Basel, Switzerland
²Center for Laboratory Medicine, Kantonsspital Aarau, Aarau, Switzerland

James N. Frame, M.D.¹, Elaine A. Davis, Ed.D., R.N.^2* and Ying Wang, Ph.D.^2*

¹Hematology/Oncology, Charleston Area Medical Center, Charleston, WV
²CAMC Health Education and Research Institute, Charleston, WV

Michael Tarantino, MD^1*, Usha Sunkara, MD^2*, James George, MD³, Louis M. Aledort, MD⁴, Matthew Guo, PhD^5*, Dietmar Berger, MD, PhD⁶ and Terry Gernsheimer, MD⁷

¹Comprehensive Bleeding Disorders Center, Peoria, IL
²Alta Bates Comprehensive Cancer Center, Berkley, CA
³University of Oklahoma Health Sciences Center, Oklahoma City, OK
⁴Mount Sinai Hospital, New York, NY
⁵Amgen Inc., Thousand Oaks, CA
⁶Amgen, Inc., Thousand Oaks, CA
⁷Puget Sound Blood Center, Seattle, WA

Janice McFarland, MD¹, Brian R Curtis, MT, SBB, MS^1*, Andrew J Lochowicz^1*, Portia L Gough^1*, Lisa Jahn^1* and Richard H. Aster, MD²

¹Platelet and Neutrophil Immunology Laboratory, BloodCenter of Wisconsin, Milwaukee, WI
²Blood Research Institute, BloodCenter Wisconsin, Milwaukee, WI

Patrick F. Fogarty¹, James B Bussel², Gregory Cheng^3*, Mansoor N Saleh^4*, Balkis Meddeb^5*, Christine Bailey^6* and Andres Brainsky^6*

¹University of California, San Francisco, San Francisco, CA
²Weill-Cornell Medical College of Cornell University, New York, NY
³Chinese University of Hong Kong, Shatin, NT, Hong Kong
⁴Georgia Cancer Specialists, Atlanta, GA
⁵Hôpital La Rabta, Tunis, Tunisia
⁶GlaxoSmithKline, Collegeville, PA

Vibha Jawa, PhD^1*, Martha Hokom^1*, Jenny Hu^1*, Yao Zhuang, PhD^1*, Dietmar Berger, MD, PhD², Shalini Gupta, PhD^1*, Steven Swanson, PhD^1* and Naren Chirmule, PhD^1*

¹Clinical Immunology, Amgen,Inc, Thousand Oaks, CA
²Amgen, Inc., Thousand Oaks, CA

Conglei Li, MD^1*, Siavash Piran, MSc.^1*, Pingguo Chen, PhD^2*, Sean Lang, BSc.^1*, Jerry Ware, PhD³, Zaverio M. Ruggeri, MD³, John Freedman, MD⁴ and Heyu Ni, MD, PhD^5*

¹Department of Laboratory Medicine and Pathobiology, St. Michael's Hospital and University of Toronto, Toronto, ON, Canada
²Department of Laboratory Medicine and Pathobiology, St. Michael's Hospital and Canadian Blood Services, Toronto, ON, Canada
³Department of Molecular and Experimental Medicine, The Scripps Research Institute, La Jolla, CA
⁴Departments of Laboratory Medicine and Pathobiology, and Medicine, St. Michael's Hospital and University of Toronto, Toronto, ON, Canada
⁵Departments of Laboratory Medicine and Pathobiology, Medicine and Physiology, St. Michael's Hospital, University of Toronto and Canadian Blood Services, Toronto, ON, Canada

James W Smith, BSc, MT^1*, Derek Coull, BSc^1*, Jane C Moore, BSc, MT^1*, Ishac Nazi, PhD^2*, Donald M. Arnold, MD³ and John G. Kelton, MD, FRCPC³

¹Medicine, McMaster University, Hamilton, ON, Canada
²Pathology and Molecular Medicine, McMaster University, Hamilton, ON, Canada
³McMaster University, Hamilton, ON, Canada

Takayuki Saitoh^1*, Tetsuhiro Kasamatsu^2*, Akihiko Yokohama^3*, Hiroshi Handa^3*, Norifumi Tsukamoto^4*, Masamitsu Karasawa^3*, Hatsue Ogawara^2*, Yoshihisa Nojima^5* and Hirokazu Murakami, MD⁶

¹Gunma University Graduate School of Medicine, Department of Medicine and Clinical Science, Maebashi, Japan
²School of Health Sciences, Faculty of Medicine, Gunma University, Maebashi, Japan
³Gunma University Graduate School of Medicine, Department of Medicine and Clinical Science, Gunma, Japan
⁴Department of Medeicine and Clinical Science, Gunma University Graduate School of Medicine, Maebashi, Japan
⁵Gunma University Graduate School of Medicine, Department of Medeicine and Clinical Science, Maebashi, Japan
⁶Faculty of Medicine, Gunma University, Maebashi, Japan

Margaret Prechel, PhD^1*, Abigail M Hilby, BS^2* and Jeanine M. Walenga, PhD³

¹Pathology, Loyola University Medical Center, Maywood, IL
²Cardiovascular Institute, Loyola University Medical Center, Maywood, IL
³Cardiovascular Institute, Loyola Univ. Medical Center, Maywood, IL

Gregory Cheng^1*, James B Bussel², Mansoor N Saleh^3*, Balkis Meddeb^4*, Maria E De Obaldia^5*, Manuel Aivado^5* and Nicole L Stone^5*

¹Chinese University of Hong Kong, Shatin, NT, Hong Kong
²Weill-Cornell Medical College of Cornell University, New York, NY
³Georgia Cancer Specialists, Atlanta, GA
⁴Hôpital La Rabta, Tunis, Tunisia
⁵GlaxoSmithKline, Collegeville, PA

James B Bussel¹, Bethan Psaila^1*, Mansoor N Saleh^2*, Sandra Vasey^3*, Bhabita Mayer^4*, Nicole L Stone^3* and Michael Arning^3*

¹Weill-Cornell Medical College of Cornell University, New York, NY
²Georgia Cancer Specialists, Atlanta, GA
³GlaxoSmithKline, Collegeville, PA
⁴GlaxoSmithKline, Stockley Park, United Kingdom

James B Bussel¹, Gregory Cheng^2*, Mansoor N Saleh^3*, Balkis Meddeb^4*, Christine Bailey^5*, Nicole L Stone^5* and Manuel Aivado^5*

¹Weill-Cornell Medical College of Cornell University, New York, NY
²Chinese University of Hong Kong, Shatin, NT, Hong Kong
³Georgia Cancer Specialists, Atlanta, GA
⁴Hôpital La Rabta, Tunis, Tunisia
⁵GlaxoSmithKline, Collegeville, PA

Wendy Oatis, MD, JD¹, Veena Shankaran, MD^2*, Faisal Saghir, MD^3*, Charles L. Bennett, MD, PhD, MPP², Elizabeth Richey, BA^4* and James B Bussel⁵

¹Division of Hematology and Oncology,, Northwestern University Feinberg School of Medicine, Chicago, IL
²Hematology/Oncology, Northwestern University, Chicago, IL
³University of Illinois Chicago, Chicago
⁴Northwestern University, Chicago, IL
⁵Weill-Cornell Medical College of Cornell University, New York, NY

Ian Kane, B.S.^*, Dominic Ragucci, PharmD^*, Ibrahim Shatat, MD, MSCR^* and Ram Kalpatthi, MD

Pediatric Hematology Oncology, Medical University of South Carolina, Charleston, SC

Ameet Sarpatwari, MPhil^1*, Shirley Watson^2*, Howard Anderson^2*, Drew Provan, MD^3* and Adrian Newland, MD, FRCP⁴

¹Department of Public Health and Primary Care, University of Cambridge, London, England
²ITP Support Association, Bolnhurst, United Kingdom
³Department of Haematology, Barts and The London School of Medicine and Dentistry, London, England
⁴Department of Haematology, Barts and The London School of Medicine and Dentistry, London, United Kingdom