“…Between January 1991 and April 1993, 251 patients of the 22 pediatric nephrology units in France (Amiens, Angers, Besançon, Clermont-Ferrand, Dijon Lille, Lyon, Marseille, Montpellier, Nancy, Nantes, Nice, Paris-Hôpital R. Debré, ParisHôpital des Enfants Malades, Paris-Hôpital A. Trousseau, Reims, Rennes, Roscoff, Rouen, Strasbourg, Toulouse, and Tours) met the criteria for trials and were enrolled in one of the three trials. Certain short-term results of the HD and RT cohorts have been reported previously [4,5].…”