Affiliation: | 1. Department of Nephrology, Hospital Fernando da Fonseca, , Lisbon, Portugal;2. Department of Nephrology, Helsinki University Central Hospital, , Helsinki, Finland;3. Department of Nephrology, Hospital Universitari de Bellvitge, University of Barcelona, IDIBELL, , L'Hospitalet de Llobregat, Spain;4. Central Unit of Clinical Research and Clinical Trials (UCICEC), IDIBELL, , L'Hospitalet de Llobregat, Spain |