PT - JOURNAL ARTICLE ED - , DP - 2014 May 01 TA - European Respiratory Journal PG - E41--E41 VI - 43 IP - 5 4099 - http://erj.ersjournals.com/content/43/5/E41.short 4100 - http://erj.ersjournals.com/content/43/5/E41.full SO - Eur Respir J2014 May 01; 43