1 Department of Biochemistry and Molecular Biology, Faculty of Biology-Biological Research Centre (CIBUS), Universidade de Santiago de Compostela, Santiago de Compostela, Spain.
2 Lung Cancer and Respiratory Diseases Unit (CIBIR), Fundación Rioja Salud, Biomedical Research Networking Center on Respiratory Diseases (CIBERES, ISCIII), Spain.
3 Department of Biochemistry and Molecular Biology, Faculty of Biology-Biological Research Centre (CIBUS), Universidade de Santiago de Compostela, Santiago de Compostela, Spain. Electronic address: franciscojavier.salgado@usc.es.