1. Briar Patch Biosciences LLC, Livermore, CA, USA
2. Department of Urology, Pediatric Urology and Andrology, Section Molecular Andrology, Justus Liebig University, Giessen, Germany
3. Department of Veterinary Anatomy, Histology and Embryology, Giessen, Germany
4. Department of Urology, Pediatric Urology and Andrology, Giessen, Germany
5. Pferdezentrum Bad Saarow, Veterinary Faculty of the University, Berlin, Germany