1. MTS - http://www.midlandthoracic.co.uk
2. BTS - https://www.brit-thoracic.org.uk
3. RCP – https://www.rcplondon.ac.uk
4. JRCPTB – https://www.jrcptb.org.uk
5. WMPA - www.wmpa.org.uk
6. ERS - https://ersnet.org