ERS
European Respiratory Society
www.ersnet.org
Croatian Respiratory Society
www.hpd.hlz.hr
The German Respiratory Society
www.pneumologie.de
Hungarian Respiratory Society
www.tudogyogyasz.hu
Italian Society of Allergy, Asthma and Clinical Immunology
www.siaaic.org
Societa Italiana di pneumologia
www.sipirs.it
Société de Pneumologie de Langue Française
www.splf.fr
World Association for Infectious Diseases and Immunological Disorders
www.waidid.org