1 Division of Allergy and Clinical Immunology, Brigham and Women's Hospital, Boston, Mass; Harvard Medical School, Boston, Mass.
2 Division of Allergy and Clinical Immunology, Brigham and Women's Hospital, Boston, Mass.
3 Instituto de Estudios de Mastocitosis de Castilla-La Mancha (CLMast)-Spanish Reference Center for Mastocytosis, Hospital Virgen del Valle, Complejo Hospitalario de Toledo, Toledo, Spain.
4 Allergy Unit, Verona University Hospital, Verona, Italy.
5 Department of Medicine, Section of Hematology, Verona, Italy.
6 Division of Allergy and Immunology, University of Michigan, Ann Arbor, Mich.
7 Division of Allergy, University Hospital Basel and University Basel, Basel, Switzerland.
8 Serviço de Imunoalergologia, Centro Hospitalar Universitário de São João, Porto, Portugal; Serviço de Imunologia Básica e Clínica, Departamento de Patologia, Faculdade de Medicina da Universidade do Porto, Porto, Portugal.
9 Department of Internal Medicine I, Division of Hematology and Hemostaseology and Ludwig Boltzmann Institute for Hematology and Oncology, Medical University of Vienna, Vienna, Austria.
10 Department of Immunology, Leiden Medical Center, Leiden, the Netherlands.
11 Cancer Translational Research Program, Cancer Research Center (IBMCC-CSIC/USAL), Department of Medicine, Sequencing Service and Cytometry Service (NUCLEUS), University of Salamanca (USAL), Biomedical Research Institute of Salamanca (IBSAL) and CIBERONC (Salamanca, Spain).
12 Division of Allergy and Clinical Immunology, Brigham and Women's Hospital, Boston, Mass; Harvard Medical School, Boston, Mass. Electronic address: firstname.lastname@example.org.