1 Department of Nephrology, Hospital Beatriz Ângelo, Loures, Portugal. beatrizcamposdonato@gmail.com.
2 Nephrology and Dialysis Division, IRCCS Humanitas Research Hospital, Rozzano, Milan, and Department of Biomedical Sciences, Humanitas University, Milan, Italy.
3 Nephrology and Dialysis Division, IRCCS Humanitas Research Hospital, Rozzano, Milan, Italy.