1. Department of Electronic Engineering, Universitat Rovira i Virgili, Tarragona, Spain
2. CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto de Salud Carlos III, Madrid, Spain
3. Institut d’Investigació Sanitària Pere Virgili (IISPV), Metabolomics Platform, Reus, Spain
4. Institute for Vascular Biology, Centre for Physiology and Pharmacology, Medical University Vienna, 1090 Vienna, Austria
5. Christian Doppler Laboratory for Arginine Metabolism in Rheumatoid Arthritis and Multiple Sclerosis, 1090 Vienna, Austria