1. Lung Cancer and Respiratory Diseases Unit; Centro de Investigación Biomédica de la Rioja (CIBIR); Fundación Rioja Salud; Logroño Spain
2. Unit of Experimental Asthma and Allergy Research; Karolinska Institutet; Institute of Environmental Medicine (IMM); Stockholm Sweden
3. Pneumology Service; Hospital San Pedro; Logroño Spain