1. Department of Geriatric Medicine The Affiliated Hospital of Qingdao University Qingdao China
2. Department of Epidemiology and Health Statistics The School of Public Health of Qingdao University Qingdao China
3. Key Laboratory of Marine Drugs Ministry of Education Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology School of Medicine and Pharmacy Ocean University of China Qingdao China
4. Marine Biomedical Research Institute of Qingdao Qingdao China
5. Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology Qingdao China