Conflicts of interest E.Y.L. has received speaker honoraria from Sanofi and AstraZeneca. A.M.D. has received compensation from the British Journal of Dermatology (Section Editor), the American Academy of Dermatology (guidelines writer), the National Eczema Association (grant reviewer), Canadian Dermatology Today (manuscript writer) and the Canadian Agency for Drugs and Technologies in Health (consultant). A.M.D. has received research grants to his institution from the National Eczema Association, Eczema Society of Canada, the Canadian Dermatology Foundation, the Canadian Institutes for Health Research, US National Institutes of Health and the Physicians Services Incorporated Foundation.