NPPA and acute kidney injury: Development of studies to verify if specific management approaches currently showed as effective in CVS‐AKI primary prevention are also useful for secondary preventionImprovement of definition and monitoring of fluid overload in order to better understand its relationship and management strategies in CVS‐AKI patientsDevelopment of large randomized trial on ANP for the prevention and treatment of AKIEvaluation of the role of stem cells in treatment of AKI