1. Ctr Eugene Marquis, Rennes, France; Inst Claudius Regaud, Toulouse, France; Ctr Georges-Francois Leclerc, Dijon, France; Ctr Oscar Lambret, Lille, France; Ctr Hospitalier Jules Courmont, Lyon, France; Ctr Antoine Lacassagne, Nice, France; Ctr Hospitalier Andre Boulloche, Montbeliard, France; Clin St-Vincent, Besancon, France; Ctr Hospitalier de Bretagne Sud, Lorient, France; Ctr Alexis Vautrin, Nancy, France