WAmerican Association for Respiratory CareWAmerican Lung AssociationWAmerican Respiratory Care FoundationWAssociazione Italiana Pneumologi OspedalieriWExtracorporeal Life Support OrganizationWIrish Thoracic SocietyWLovelace Respiratory Research InstituteWFile:American associaion for respiratory care logo 2011.jpgWFile:American Lung Association.svgWFile:Asociación Argentina de Medicina Respiratoria logo.jpgWFile:Associazione Italiana Pneumologi Ospedalieri.jpgWFile:ERSLogo.jpgWFile:Irish Thoracic Society (logo).png