MY WIFE WAS INVOLVED IN THE RESEARCH PROJECT BETWEEN COLUMBIA PRESBYTERIAN HOSPITAL IN NEW YORK AND UNIVERSITY OF COLORADO. SHE ACTUALLY HAD 2 OPERATIONS. THE FIRST WAS A SHAM, AND SHE WENT BACK FOR THE AUTHENTIC OP. ABOUT A YEAR LATER. ED ASHLEY 286 ARNEYS MOUNT ROAD PEMBERTON,NJ 08068 609-261-8650