1Department of Pneumology, Osakidetza, Universitary Hospital of Galdakao-Usansolo, Barrio Labeaga s/n, 48960 Galdakao, Bizkaia Spain
2Research Unit, Osakidetza, Universitary Hospital of Basurto, Bilbao, Bizkaia Spain
3Health Services Research on Chronic Patients Network (REDISSEC), Galdakao, Bizkaia Spain
4Institute of Research in Health Services Kronikgune, Barakaldo, Bizkaia Spain
5Research Unit, Osakidetza, Universitary Hospital of Galdakao-Usansolo, Galdakao, Bizkaia Spain
6Department of Pneumology, Osakidetza, Universitary Hospital of Basurto, Bilbao, Bizkaia Spain
7Department of Pneumology, Osakidetza, Universitary Hospital of Alava, Vitoria, Alava Spain
8Department of Pneumology, Osakidetza, Hospital of San Eloy, Barakaldo, Bizkaia Spain
© The Author(s) 2020
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