1. Laboratory on Physiopathology of Uremia, Istituto Giannina Gaslini, Genova, Italy.
2. Nephrology, Dialysis and Transplantation, Istituto Giannina Gaslini, Genova, Italy.
3. Laboratory of Mass Spectrometry – Core Facility, Istituto Giannina Gaslini, Genova, Italy.