Correspondence to Mr Enric SABRIÀ; Obstetrics and Gynecology Department, Consorci Sanitari de l’Alt Penedès-Garraf, Hospital-Residència Sant Camil; Ronda Sant Camil s/n, 08810 Sant Pere de Ribes; Barcelona, Spain; (e-mail: enricsabria@hotmail.com, cell-phone: 0034 620148850)