Male Hypogonadism

• Alabama Clinical Therapeutics, LLC — Birmingham, Alabama, United States
• Alabama Internal Medicine, PC — Birmingham, Alabama, United States
• Medical Affliated Research Center, Inc. — Huntsville, Alabama, United States
• Precision Trials/Valley Urologic Associates — Glendale, Arizona, United States

Not specified

• Quality of Life Medical & Research Center — Tucson, Arizona, United States
• Connecticut Clinical Research — Middlebury, Connecticut, United States
• Compass Research East, LLC — Oviedo, Florida, United States
• Southeastern Research Group, Inc. — Tallahassee, Florida, United States

• University Hospital Halle - Center for Reproductive Medicine and Andrology — Halle, Germany
• Institute of Urology and Andrology, Segeberger Kliniken — Hamburg, Germany
• Private Practice of Andrology & Urology — Hamburg, Germany
• Klinik fur Innere Medizin, — Herne, Germany

• HospitalSWD — Esbjerg, Denmark