Swiss Pharma Contract, Basel, Switzerland
Vanderbilt AIDS Clinical Trials Center, Nashville, Tennessee, United States
University of Kentucky Medical Center, Lexington, Kentucky, United States
Indiana University School of Medicine, Indianapolis, Indiana, United States
San Diego Urology Center, La Mesa, California, United States
Urology Associates of Central California, Fresno, California, United States
Western Clinical Research, Inc., Torrance, California, United States