1. Orthopedic and Sports Medicine Hospital, FIFA Medical Center of Excellence, Aspetar, Doha, Qatar
2. Primary Health Care Corporation (PHCC), Doha, Qatar
3. Department of Physiology, Faculty of Medicine and Nursing, University of the Basque Country, Leioa, Basque Country, Spain
4. Research Laboratory (LR12SP09, Heart failure), Farhat HACHED Hospital of Sousse, Faculty of Medicine of Sousse, University of Sousse, Sousse, Tunisia