1. Laboratory for Experimental Medicine and Endocrinology, KU Leuven, Leuven, Belgium (IC,LV,CM,AV,BD), University Hospitals Leuven, Leuven, Belgium
2. Department of Pathology (EH), University Hospitals Leuven, Leuven, Belgium
3. Department of ENT, Head & Neck Surgery (VVP, PD), University Hospitals Leuven, Leuven, Belgium
4. Department of Endocrinology (CM,BD), University Hospitals Leuven, Leuven, Belgium
5. Department of Endocrinology (AVDB), General Hospital Sint Jan, Bruges, Belgium