1. 1Center for Endocrine Tumors Leiden, Department of Medicine
2. 2Department of Neurosurgery, Department of Medicine
3. 3Division of Endocrinology, Department of Medicine
4. 4Medical Decision Making, Department of Biomedical Data Sciences, Leiden University Medical Center, Leiden, The Netherlands
5. 5Department of Neurosurgery, Haaglanden Medical Center, The Hague, The Netherlands
6. 6Department of Orthopedics, Physical Therapy and Rehabilitation, Leiden University Medical Center, Leiden, The Netherlands