FP632VARIABILITY OF PRE-DIALYSIS SERUM SODIUM, A RISK FACTOR OF SURVIVAL IN HEMODIALYSIS PATIENTS: RESULTS FROM THE MONDO CONSORTIUM. (18th May 2018) - YE, XIAOLING; Kooman, Jeroen; Sande, Frank; Canaud, Bernard; Etter, Michael; Xu, Xiaoqi; Power, Albert; Marelli, Cristina; Levin, Nathan; Thijssen, Stephan; Usvyat, Len; Wang, Yuedong; et al.