The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
From European Respiratory Society:
This is the official mobile app for the ERS Annual Congress 2013.The app is free to download and allows delegates to search the programme by day, speaker, topic and type of session. There is also a full listing of industry events, the exhibition plan, an interactive map and an agenda. The app will be downloadable prior to the Congress and for those who wish to download onsite, the ERS will provide all relevant information on flyers in the congress bag and in the Final Programme. Once the app is downloaded, it works independently and does not require continual connection to the internet.Download from:http://www.erscongress2013.org/mobile.html