1Department of Clinical Nutrition, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China; 2Department of Clinical Nutrition, Beijing Hospital, Beijing 100070, China;2 Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China;3 Neurology Center, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China;4 Department of Clinical Nutrition, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing 100730, China;5Clinical Nu? trition Center, Inner Mongolia People′s Hospital, Hohhot 010000, Inner Mongolia,China; 6 Department of Clinical Nutrition, the Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, China;7 Department of Nutrition, the First Affiliated Hospital of Hebei Medical University, Shijiazhuang 050030, Hebei, China; 8 Department of Nutrition, Xuanwu Hospital, Capital Medical University, Beijing 100053, China; 9 Department of Clinical Nutrition, Peking University People′s Hospital, Beijing 100044, China; 10Department of Clinical Nutrition, Beijing Shijitan Hospital/Capital Medical University Beijing International Science and Technology Cooperation Base for Cancer Metabolism and Nutrition/Department of Oncology, Capital Medical University, Beijing 100038; 11Department of Clinical Nu? trition, Beijing Tsinghua Changgung Hospital, Tsinghua University, Beijing 102218, China；12Department of Nutrition, the First Affiliat? ed Hospital of Soochow University, Suzhou 215031, Jiangsu, China; 13Department of Clinical Nutrition, Shenzhen Hospital, Southern Medi? cal University, Shenzhen 518110, Guangdong, China