Institution: | 1. Department of Gynaecology, Nanyang First People's Hospital, Nanyang, China;2. Department of Radiation Oncology, The Fifth People's Hospital of Huai'an, Huai'an, China;3. Department of Neurosurgery, The Affiliated Huai'an Hospital of Xuzhou Medical University, The Second People's Hospital of Huai'an, Huai'an, China |