Residential green space and medication sales for childhood asthma: A longitudinal ecological study in Belgium

Raf Aerts, Sebastien Dujardin, Benoit Nemery, An Van Nieuwenhuyse, Jos Van Orshoven, Jean Marie Aerts, Ben Somers, Marijke Hendrickx, Nicolas Bruffaerts, Mariska Bauwelinck, Lidia Casas, Claire Demoury, Michelle Plusquin, Tim S. Nawrot