1 Department of Respiratory Medicine, Hospital de Bellvitge-IDIBELL-University of Barcelona, Barcelona,Spain. Electronic address: [email protected].
2 Unit of Advanced Optical Microscopy, Scientific and Technological Centers (CCiTUB) University of Barcelona, L'Hospitalet de Llobregat, Barcelona, Spain.
3 Department of Pathology, Hospital de Bellvitge-IDIBELL-University of Barcelona, Barcelona, Spain.
4 Biostatistics Unit, Bellvitge Biomedical Research Institute (IDIBELL). L'Hospitalet de Llobregat, Barcelona,Spain; Department of Basic Medical Sciences, Universitat Rovira i Virgili, Reus, Tarragona, Spain.
5 Department of Respiratory Medicine, Hospital de Bellvitge-IDIBELL-University of Barcelona, Barcelona,Spain.
6 Thorax Institute, Hospital Germans Trias i Pujol-IGTP-UAB, Badalona, Barcelona, Spain.