Rami Qanneta1, Ramon Fontova2, Anna Pàmies2. 1. Chronic Fatigue Unit, Department of Rheumatology, Hospital Universitari Joan XXIII, Tarragona, Spain. Electronic address: rami_kanita229@hotmail.com. 2. Department of Rheumatology, Hospital Universitari Joan XXIII, Tarragona, Spain.