1. Research Group on Metabolic Diseases and Insulin Resistance, Department of Medicine and Surgery; Pere Virgili Institute of Health Research, Rovira i Virgili University; Tarragona Spain
2. Internal Medicine Service; Joan XXIII University Hospital Tarragona; Tarragona Spain
3. Pathological Anatomy Service; Joan XXIII University Hospital Tarragona; Tarragona Spain
4. Surgery Service, Department of Medicine and Surgery, Sant Joan de Reus Hospital; Pere Virgili Institute of Health Research, Rovira i Virgili University; Reus Spain