FIGURE 1.

Severe asthma defined as the need for high-intensity treatment. This definition includes patients who require high-intensity controller therapy to maintain good control as well as patients with poor asthma control despite high-intensity treatment. Reproduced with permission of the European Respiratory Society.⁸ Adaptations are themselves works protected by copyright. So in order to publish this adaptation, authorization must be obtained both from the owner of the copyright in the original work and from the owner of copyright in the translation or adaptation.