Characteristics and risk profiles of patients with pulmonary arterial or chronic thromboembolic pulmonary hypertension living permanently at >2500 m of high altitude in Ecuador. - Hoyos, Rodrigo; Lichtblau, Mona; Cajamarca, Elizabeth; Mayer, Laura; Schwarz, Esther Irene; Ulrich, Silvia (Pulmonary Circulation, 2024)