[1] SOR, FNCLCC, Operat Stand Opt Recommandat, F-75654 Paris 13, France
[2] Ctr Leon Berard, F-69373 Lyon, France
[3] Inst Curie, Paris, France
[4] Inst Jules Bordet, B-1000 Brussels, Belgium
[5] Ctr Oscar Lambret, F-59020 Lille, France
[6] Inst Jean Godinoi, F-51056 Reims, France
[7] Ctr Eugene Marquis, Rennes, France
[8] Ctr Paul Strauss, Strasbourg, France
[9] Ctr Rene Huguenin, St Cloud, France
[10] Ctr Paul Papin, Angers, France
[11] Ctr Antoine Lacassagne, F-06054 Nice, France