[1] Catholic Univ Louvain, SRI, Brussels, Belgium
[2] Gedeon Richter Preglem SA, Geneva, Switzerland
[3] Polyclin Urbain V, ELSAN Grp, Inst Sein & Chirurg Gynecol Avignon, Avignon, France
[4] Clin Univ St Luc, Gynecol Dept, Brussels, Belgium
[5] Catholic Univ Louvain, Inst Rech Expt & Clin, Pole Gynecol, Brussels, Belgium