The European Lung Foundation (ELF) Information hub has produced a fact sheet on pulmonary hypertension which is available at this link
ELF is a patient-led organisation founded in 2000 that works internationally to bring patients and the public together with healthcare professionals to improve lung health and advance diagnosis, treatment and care. ELF works in partnership with the European Respiratory Society (ERS) to develop the union between lung health professionals and patients. Based in Sheffield (UK) and Brussels (Belgium) ELF has grown and developed a core team of specialists and a network of individual patients and patient organisations. ELF works with people from all over the world, including a volunteer patient network of more than 350 people and a patient organisation network with more than 200 respiratory organisations in Europe; working together with people living with more than 40 different lung conditions.
Source: ELF Information hub