The world community of pediatric nephrologists has grown to a great number of active members. A number of them are interested in problems of renal insufficiency and kidney replacement therapy. Therefore, many vital meetings concerning this vibrant speciality have been included in international pediatric congresses. But the discussion of ten-minutes-papers in a large auditorium was often limited, criticism tended to be muted, lively discussions have only occasionally succeeded for the reason that the topics have tended to be too specialized for the audiences in relation to the large number of...