Urgent need to adopt age-specific TSH upper reference limit for the elderly - a position statement of the Belgian thyroid club

Affiliations

• ¹ Department of Laboratory Medicine, Cliniques Universitaires St-Luc and Université Catholique de Louvain, Brussels, Belgium.
• ² Department of Endocrinology, Cliniques Universitaires St-Luc, Université Catholique de Louvain, Brussels, Belgium.
• ³ Department of Endocrinology, CHU de Liège, Domaine Universitaire du Sart Tilman, Liège, Belgium.
• ⁴ Department of Endocrinology, Universitair Ziekenhuis Brussel, UZ Brussel, (Vrije Universiteit Brussel, VUB), Brussels, Belgium.
• ⁵ Department of Endocrinology, AZ Brugge, Brugge, Belgium.
• ⁶ Department of Otorhinolaryngology, Section Head and Neck Surgery, UZ Leuven, Leuven, Belgium.
• ⁷ Department of Endocrinology, Ghent University Hospital, Ghent, Belgium.
• ⁸ Department of Oncology, Section Head and Neck Oncology, KU Leuven, Leuven, Belgium.
• ⁹ Department of Endocrinology, Hopital Erasme Bruxelles, Brussels, Belgium.
• ¹⁰ Department of Nuclear Medecine, Hopital Erasme Bruxelles, Brussels, Belgium.
• ¹¹ Department of Endocrinology, University Hospitals Leuven, Leuven, Belgium.
• ¹² Pôle de Recherche en Endocrinologie, Diabète et Nutrition, Institut de Recherche Expérimentale et Clinique, Cliniques Universitaires St-Luc and UCLouvain, Brussels, Belgium.