(BMJ Publishing Group, 2014) Gimeno Santos, Elena, 1980-; Frei, Anja; Steurer Stey, Claudia; Batlle Garcia, Jordi de, 1981-; Rabinovich, Roberto A.; Raste, Yogini; Hopkinson, Nicholas S.; Polkey, Michael I.; van Remoortel, Hans; Troosters, Thierry; Kulich, Karoly; Karlsson, Niklas; Puhan, Milo A.; García Aymerich, Judith; PROactive consortium