Cardiopulmonary exercise response at high altitude in patients with congenital heart disease: a systematic review and meta-analysis - Vecchiato, Marco; Duregon, Federica; Borasio, Nicola; Faggian, Sara; Bassanello, Veronica; Aghi, Andrea; Palermi, Stefano; Degano, Gino; Battista, Francesca; Ermolao, Andrea; Neunhaeuserer, Daniel (Frontiers in Cardiovascular Medicine, 2024)