1. Department of Anatomy and Cell BiologyUnit of Reproductive BiologyJustus‐Liebig‐University GiessenGiessenGermany
2. Department of Medical MicrobiologyJustus‐Liebig‐University GiessenGiessenGermany
3. Institute of Veterinary Anatomy, Histology, and EmbryologyJustus‐Liebig‐University GiessenGiessenGermany