Impact of an Improvised System on Preserving Oxygen Supplies in Patients With COVID-19 William Poncin; Lia Baudet; Gregory Reychler; Frédéric Duprez; Giuseppe Liistro; Leila Belkhir; Lucie Pothen; Halil Yildiz; Jean-Cyr Yombi; Julien De Greef;

Use of One-minute Sit-to-stand Test to Predict Functional Exercise Capacity in Patients With Congenital Heart Disease Natalia Morales Mestre; Gregory Reychler; Stephane Moniotte;