1. 1Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands
2. 2Division of Endocrinology and Diabetes, Department of Internal Medicine I, University Hospital
3. 3Comprehensive Cancer Center Mainfranken, University of Würzburg, Würzburg, Germany
4. 4Central Laboratory, University Hospital Würzburg, Würzburg, Germany
5. 5Department of Endocrinology, Reference Center for Rare Adrenal Diseases, Reference Center for Rare Adrenal Cancers, Hôpital Cochin, Assistance Publique Hôpitaux de Paris, Paris, France
6. 6Institut Cochin, Institut National de la Santé et de la Recherche Médicale U1016, Centre National de la Recherche Scientifique UMR8104, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
7. 7Division Internal Medicine, Department Endocrinology & Metabolism, Leiden University Medical Center, Leiden, The Netherlands