(BMJ Publishing Group, 2021) García Aymerich, Judith; Puhan, Milo A.; Corriol-Rohou, Solange; de Jong, Corina; Demeyer, Heleen; Dobbels, Fabienne; Erzen, Damijan; Frei, Anja; Gimeno Santos, Elena, 1980-; Hopkinson, Nicholas S.; Ivanoff, Nathalie; Karlsson, Niklas; Louvaris, Zafeiris; Polkey, Michael I.; Rabinovich, Roberto A.; Scuri, Mario; Tabberer, Maggie; Vogiatzis, Ioannis; Troosters, Thierry; PROactive consortium