Thomas Pincez, MD^1,2, Helder Fernandes, Ph.D.^3,4*, Thierry Leblanc, M.D.^5*, Gérard Michel, M.D.^6*, Vincent Barlogis, M.D., Ph.D.^6*, Yves Bertrand, M.D.^7*, Bénédicte Neven, M.D., Ph.D.^8,9*, Wadih Abou Chahla, M.D.^10*, Marlène Pasquet, M.D., Ph.D.^11*, Corinne Guitton, M.D., M.Sc.^12*, Aude Marie-Cardine, M.D.^13*, Isabelle Pellier, M.D., Ph.D.^14*, Corinne Armari-Alla, M.D.^15*, Joy Benadiba, M.D.^16*, Pascale Blouin, M.D.^17*, Eric Jeziorski, M.D.^18*, Frederic Millot, M.D.^19*, Catherine Paillard, MD, PhD^20*, Caroline Thomas, M.D.^21*, Nathalie Cheikh, M.D.^22*, Sophie Bayard, M.D.^23*, Fanny Fouyssac, M.D.^24*, Christophe Piguet, M.D.^25*, Mariana Deparis, M.D.^26*, Claire Briandet, M.D.^27*, Eric Doré, M.D.^28*, Judith Landman-Parker, M.D., Ph.D.^29*, Guy Leverger, M.D.^29* and Nathalie Aladjidi, M.D.^3,4*

¹Division of Pediatric Hematology-Oncology, Charles-Bruneau Cancer Center, Department of Pediatrics, CHU Sainte-Justine, Université de Montréal, Montreal, Canada
²Centre de Référence National des Cytopénies Auto-immunes de l'Enfant (CEREVANCE), Paris, France
³Centre de Référence National des Cytopénies Auto-immunes de l'Enfant (CEREVANCE), Bordeaux, France
⁴Pediatric Oncology Hematology Unit, Plurithématique CIC (CICP), Centre d’Investigation Clinique (CIC) 1401, INSERM, Bordeaux University Hospital, Bordeaux, France
⁵Pediatric Hematology Unit, Robert-Debré Hospital, AP-HP, Paris, France
⁶Department of Pediatric Hematology, La Timone Hospital, AP-HM, Marseille, France
⁷Institute of Pediatric Hematology and Oncology, Civil Hospital of Lyon, Claude Bernard University, Lyon, France
⁸Imagine Institute, Paris University, Paris, France
⁹Department of Pediatric Immunology, Hematology and Rheumatology, Necker-Enfants Malades University Hospital, AP-HP, Paris, FRA
¹⁰Department of Pediatric Hematology, Jeanne de Flandre Hospital, CHRU de Lille, Lille, France
¹¹Pediatric Oncology Immunology Hematology Unit, Children’s hospital, CHU de Toulouse, Toulouse, France
¹²Pediatric Department, Kremlin Bicetre Hospital, AP-HP, Kremlin Bicetre, France
¹³Pediatric Immunology, Hematology and Oncology, Rouen University Hospital, Rouen, France
¹⁴Pediatric Unit, University Hospital of Angers, Angers, France
¹⁵Pediatric Oncology Hematology Unit, University Hospital of Grenoble, Grenoble, France
¹⁶Department of Hemato-Oncology Pediatric, Nice University Hospital, Nice, FRA
¹⁷Department of Pediatric Hematology-Oncology, Clocheville Hospital, CHRU de Tours, Tours, France
¹⁸Pediatric Oncology Hematology Unit, University Hospital of Montpellier, Montpellier, FRA
¹⁹Department of Pediatric Hematology-Oncology, University Hospital Poitiers, Poitiers, France
²⁰Pediatric Hematology Department, Strasbourg University Hospital, Strasbourg, France
²¹Pediatric Department, Nantes University Hospital, Nantes, FRA
²²Department of Pediatric Hematology-Oncology, University Hospital Besançon, Besançon, France
²³Pediatric Hematology Unit, University Hospital of Rennes, Rennes, France
²⁴Pediatric Hematology Unit, University Hospital of Nancy, Nancy, France
²⁵Pediatric Oncology Hematology Unit, Limoges University Hospital, Limoges, FRA
²⁶Pediatric Oncology-Hematology Unit Department, Caen University Hospital, Caen, France
²⁷Department of Pediatrics, University Hospital of Dijon, Dijon, France
²⁸Pediatric Unit, Clermont-Ferrand University Hospital, Clermont-Ferrand, France
²⁹Pediatric Hematology Oncology Immunology Department, Armand-Trousseau University Hospital, AP-HP, Paris, France

Huiqing Xu, MD^1*, Katherine Chaney, MS^2*, Bryon Johnson, PhD³, Timothy S. Fenske, MD¹, Mehdi Hamadani, MD¹, Boro Dropulic, PhD, MBA^4*, Dina Schneider, PhD⁴, Parameswaran Hari, MBBS, MD⁵ and Nirav N. Shah, MD⁶

¹Division of Hematology and Oncology, Medical College of Wisconsin, Milwaukee, WI
²Divison of Hematology and Oncology, Medical College of Wisconsin, Milwaukee, WI
³Division of Hematology, Oncology and Bone Marrow Transplantation, Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI
⁴Lentigen Technology, Inc., a Miltenyi Biotec Company, Gaithersburg, MD
⁵Division of Hematology and Oncology, Department of Medicine, Medical College of Wisconsin, Brookfield, WI
⁶Medical College of Wisconsin, Milwaukee, WI

Catarina Maia^1,2*, Esperanza Martín-Sánchez^3*, Juan José Garcés^2*, Ascensión López-Diaz de Cerio^4*, Susana Inogés, MD, PhD^5*, Manuel Landecho^6*, Belen Gil-Alzugaray^7*, Cristina Pérez Ruiz^8*, Cirino Botta, MD, PhD⁹, Aintzane Zabaleta, PhD^10*, Felix Alegre, MD^11*, César Rincón^12*, Laura Blanco^13*, Sarai Sarvide^14*, Amaia Vilas-Zornoza, PhD^2*, Diego Alignani, PhD^2*, Cristina Moreno^15*, Monica Olid^7*, Andrés Blanco^16*, Josepmaria Argemi^17*, Bruno Paiva, PhD^18* and Jose-Ramon Yuste^19*

¹Centro de Investigación Médica Aplicada, Clinica Universidad de Navarra, ) Centro de Investigacion Medica Aplicada, Instituto de Investigacion Sanitaria de Navarra (IdiSNA), CIBER-ONC number CB16/12/00369, Pamplona, Spain, Pamplona, Spain
²Centro de Investigación Médica Aplicada, University of Navarra, Clínica Universidad de Navarra, Pamplona, Spain
³Clinica Universidad de Navarra, Centro de Investigación Médica Aplicada,) Instituto de Investigacion Sanitaria de Navarra (IdiSNA), CIBER-ONC number CB16/12/00369, Pamplona, Spain, Pamplona, Spain
⁴Clinica Universidad de Navarra, Centro de Investigación Médica Aplicada, Pamplona, Spain
⁵Clinica Universidad de Navarra, Instituto de Investigacion Sanitaria de Navarra (IdiSNA), CIBER-ONC number CB16/12/00489, Pamplona, Spain, Pamplona, ESP
⁶Clinica Universidad De Navarra, Pamplona, ESP
⁷Clinica Universidad De Navarra, Madrid, Spain, Madrid, ESP
⁸Centro de Investigación Médica Aplicada, University of Navarra, Clínica Universidad de Navarra, Centro de Investigacion Medica Aplicada, Instituto de Investigacion Sanitaria de Navarra (IdiSNA), CIBER-ONC number CB16/12/00369, Pamplona, Spain,, Pamplona, Spain
⁹Hematology Unit, "Annunziata" Hospital of Cosenza, Cosenza, Italy
¹⁰Centro de Investigación Médica Aplicada, University of Navarra, Clínica Universidad de Navarra, Centro de Investigación Medica Aplicada, Instituto de Investigacion Sanitaria de Navarra (IdiSNA), CIBER-ONC number CB16/12/00369, Pamplona, Spain, Pamplona, Spain
¹¹Clinica Universidad de Navarra, Navarra, Spain
¹²Clinica Universidad de Navarra, Madrid, Spain, Madrid, Spain
¹³Clínica Universidad de Navarra, Centro de Investigacion Medica Aplicada , ) Instituto de Investigacion Sanitaria de Navarra (IdiSNA), CIBER-ONC number CB16/12/00369, Pamplona, Spain, Pamplona, Spain
¹⁴Centro de Investigación Médica Aplicada, University of Navarra, Clínica Universidad de Navarra, Centro de Investigacion Medica Aplicada, Instituto de Investigacion Sanitaria de Navarra (IdiSNA), CIBER-ONC number CB16/12/00369, Pamplona, Spain, Pamplona, Spain
¹⁵Clinica Universidad de Navarra, Instituto de Investigacion Sanitaria de Navarra (IdiSNA), Pamplona, Spain
¹⁶Clinica Universidad de Navarra, Pamplona, Pamplona, Spain
¹⁷Clinica Universidad De Navarra, Instituto de Investigacion Sanitaria de Navarra (IdiSNA), Pamplona, ESP
¹⁸Clinica Universidad De Navarra, Pamplona, Navarra, Spain
¹⁹Clinica Universidad De Navarra, Instituto de Investigacion Sanitaria de Navarra (IdiSNA), Pamplona, Spain, Pamplona, ESP

Yaya Chu, PhD^1*, Susiyan Jiang, MS^1*, Jian Jiang, MD^1*, Meijuan Tian, PhD^1*, Dean Anthony Lee, MD, PhD², Loui Madakamutil^3*, Mario Q. Marcondes, MD, PhD³, Christian Klein, PhD⁴ and Mitchell S Cairo, MD¹

¹Pediatrics, New York Medical College, Valhalla, NY
²Center for Childhood Cancer and Blood Diseases, Abigail Wexner Research Institute, Nationwide Children's Hospital, Columbus, OH
³Nektar Therapeutics, San Francisco, CA
⁴Roche Pharmaceutical Research & Early Development, Roche Innovation Center Zurich, Schlieren, Switzerland

Mieszko Lachota^1*, Daniel Alfredo Palacios, MSc^2*, Dennis Clement, MSc^2*, Eivind Heggernes Ask, MD^2*, Hanna Julie Hoel, MSc^2*, Merete Thune Wiiger, PhD^2*, Marianna Vincenti, MD^2*, Magdalena Winiarska^3*, Radoslaw Zagozdzon, MD, PhD^1,4* and Karl-Johan Malmberg, MD, PhD^2,5*

¹Department of Clinical Immunology, Medical University of Warsaw, Warsaw, Poland
²Department of Cancer Immunology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
³Department of Immunology, Medical University of Warsaw, Warsaw, Poland
⁴Department of Regenerative Medicine, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland
⁵Center for Infectious Medicine, Department of Medicine, Huddinge, Karolinska Institute, Stockholm, Sweden

Jeanette Ampudia^1*, Dalena Chu, MS^1*, Jana Badrani, MS^2*, Taylor Doherty, MD^2*, Stephen Connelly, PhD, MBA^1* and Cherie Tracy Ng, PhD, MPH^1*

¹Equillium, Inc, La Jolla, CA
²Division of Rheumatology, Allergy and Immunology, UCSD, La Jolla, CA

Christian Salib, MD^1*, Pallavi Khattar, MD^2*, Jinjun Cheng^2* and Julie Teruya-Feldstein, MD³

¹Pathology, Molecular, and Cell-Based Medicine, Hematopathology Division, Icahn School of Medicine at Mount Sinai, New York, NY
²Department of Pathology, Molecular, Cell-Based Medicine, Hematopathology Division, Icahn School of Medicine at Mount Sinai, New York, NY
³Department of Pathology, Molecular and Cell-Based Medicine, Hematopathology Division, Memorial Sloan-Kettering Cancer Center, New York, NY

Frederic Lagarrigue^1,2*, Hao Sun, PhD^3*, Alexandre R Gingras, PhD^3* and Mark H Ginsberg, MD^3*

¹Department of Medicine, University of California San Diego, Toulouse, France
²Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
³Department of Medicine, University of California San Diego, La Jolla, CA