The Sixth International Symposium of Paediatric Nephrology took place between 29 August and 2 September 1983 in Hannover, Federal Republic of Germany. It was organized on behalf of the International Paediatric Nephrology Association (IPNA), and sponsored by the regional societies of paediatric nephrology, i. e. the American Society of Pediatric Nephrology (ASPN), the European Society ofPaedi- atric Nephrology (ESPN), the Japanese Society of Pediatric Nephrology (JSPN) and the Latin American Society of Pediatric Nephrology (ALANEPE). The five in- ternational meetings preceding the Hannover...