1. Hopital Saint Antoine, Paris, France; Hospital Clínico de Valencia, Valancia, Spain; Hopital Tenon, Paris, France; Tel Aviv Sourasky Medical Center, Tel Aviv, Israel; Clinique Saint Jean, Lyon, France; Hopital Drevon, Dijon, France; Clinique Sainte Catherine, Avignon, France; Landerskrankenhaus Salzburg, Paris, Austria; IDDI, Bruxelles, Belgium; Clinique Armoricaine, St Brieuc, France