1) Simonneau G, et al: Haemodynamic definitions and updated clinical classification of pulmonary hypertension. Eur Respir J 53: 1801913, 2019.
2) Galie N, et al: 2015 ESC/ERS Guidelines for the diagnosis and treatment of pulmonary hypertension: the Joint Task Force for the Diagnosis and Treatment of Pulmonary Hypertension of the European Society of Cardiology (ESC) and the European Respiratory Society (ERS): endorsed by: Association for European Paediatric and Congenital Cardiology (AEPC), International Society for Heart and Lung Transplantation (ISHLT). Eur Heart J 37: 67-119, 2016.
3) Morrell NW, et al: Genetics and genomics of pulmonary arterial hypertension. Eur Respir J 53: 1801899, 2019.