1. Department of Oncology, Affiliated Hospital of Nantong University, Nantong 226001, Jiangsu, China
2. Department of Respiration, Nantong Geriatric Rehabilitation Hospital, Branch of Affiliated Hospital of Nantong University, Nantong 226001, Jiangsu, China
3. Centre of Reproductive Medicine, Inner Mongolia Hospital, Inner Mongolia, Hohhot, 010021, China
4. Department of Pathology, Affiliated Hospital of Nantong University, Nantong 226001, Jiangsu, China