1. Department of Obstetrics and Gynecology, Justus-Liebig-University Giessen, Giessen, Germany
2. Institute for Veterinary Food Hygiene, Faculty of Veterinary Medicine, Justus-Liebig-University Giessen, Giessen, Germany
3. Third Medical Department and Policlinic, University Hospital Giessen and Marburg, Justus-Liebig-University Giessen, Giessen, Germany
4. Department of Music Science and Music Education, Justus-Liebig-University Giessen, Giessen, Germany