1. Beijing Neurosurgical Institute, Capital Medical University, Beijing, China (mainland)
2. Department of Neurosurgery, Affiliated Hospital of Hebei University, Baoding, Hebei, China (mainland)
3. Department of Respiratory Medicine, Baoding No. 1 Central Hospital, Baoding, Hebei, China (mainland)
4. Department of Pathology, Affiliated Hospital of Hebei University, Baoding, Hebei, China (mainland)
5. Department of Interventional Neuroradiology, Tiantan Affiliated Hospital of Capital Medical University, Beijing Neurosurgical Institute, Beijing Engineering Research Center for Interventional Neuroradiology, Beijing, China (mainland)
6. Department of Tuberculosis, Affiliated Hospital of Hebei University, Baoding, Hebei, China (mainland)