1. Department of Neurosurgery, The First People's Hospital of Foshan, 81 North Lingnan Road, Foshan, Guangdong, 528300, PR China
2. Guangdong VitaLife Biotechnology Co., LTD, 61 Xiannan Road, Nanhai District, Foshan, Guangdong, 528200, PR China
3. School of medicine, Foshan University, 18 Jiangwan Road, Foshan, Guangdong, 528000, PR China