1. Department of Neurosurgery, Yonsei University College of Medicine, Seoul;
2. Division of Endocrinology and Metabolism, Department of Internal Medicine, Yonsei University College of Medicine, Seoul;
3. Pituitary Tumor Center, Severance Hospital, Seoul;
4. Yonsei Endocrine Research Institute, Yonsei University College of Medicine, Seoul; and
5. Department of Neurosurgery, Ewha Woman’s University College of Medicine, Seoul, Republic of Korea