1. Magnetic Resonance Center (CERM), University of Florence, Via L. Sacconi 6, 50019 Sesto Fiorentino, Italy, Department of Chemistry, University of Florence, Via della Lastruccia 3, 50019, Sesto Fiorentino, Italy, and FiorGen Pharmacogenomics Foundation, Via L. Sacconi 6, 50019 Sesto Fiorentino, Italy