Introduction from the editors

Affiliations

• ¹ Division of Clinical Immunology & Allergy, Department of Medicine, McMaster University, Hamilton, ON, Canada. hlkimkw@gmail.com.
• ² Division of Clinical Immunology and Allergy, Department of Medicine, Western University, London, ON, Canada. hlkimkw@gmail.com.
• ³ Division of Allergy & Immunology, Department of Medicine, Queen's University, Kingston, ON, Canada.
• ⁴ Division of Allergy, IWK Health Centre, Department of Pediatrics, Dalhousie University, Halifax, NS, Canada.