Institution: | (1) Department of Orthopedics, Hospital Quiron, Plaza Alfonso Comín 5-7, 08023 Barcelona, Spain;(2) Hospital de Inca, Mallorca, Spain;(3) Hospital de Viladecans, Barcelona, Spain;(4) Hospital de la Vall d’Hebron, Barcelona, Spain;(5) Hospital Los Camilos, Sant Pere de Ribes, Barcelona, Spain |