1. Laboratory of Anatomy, Faculty of Medicine and Pharmacy, University of Mons-Hainaut, Mons, Belgium.
2. Department of Oto-Rhino-Laryngology, University Hospital Saint Pierre, Brussels, Belgium.
3. Division of Endocrinology, University Hospital Saint Pierre, Brussels, Belgium.
4. Department of Endocrine Surgery, Hôpital Claude Hurriez, Lille, France.
5. Faculty of Veterinary Medicine, Institute for Physiological Chemistry, Ludwig-Maximilians-University, Munich, Germany.
6. Laboratory of Histology, Faculty of Medicine and Pharmacy, University of Mons-Hainaut, Mons, Belgium.
7. GL is Senior Research Associate at the Belgian National Fund for Scientific Research.