Svabik, K: Re: Long-term follow-up of sacrocolpopexy mesh implants at two time intervals at least 1 year apart using 4D transperineal ultrasound. V. H. Eisenberg, M. Steinberg, Z. Weiner, E. Schiff and L. Lowenstein. Ultrasound Obstet Gynecol 2017; 49: 398-403