1. Department of Endocrinology, Internal Medicine, University of Groningen, University Medical Center Groningen, GZ Groningen, the Netherlands
2. Department of Endocrine Neoplasia and Hormonal Disorders, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
3. Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
4. Department of Abdominal Imaging, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
5. Department of Head and Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
6. Department of Pediatrics–Patient Care, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA