1. Department of Food Nutrition and Safety, School of Public Health, Dalian Medical University, Dalian, P.R. China
2. Department of Radiation Oncology, The Second Hospital of Dalian Medical University, Dalian, P.R. China
3. Department of Breast Surgery, The Second Hospital of Dalian Medical University, Dalian, P.R. China
4. Department of Internal Medicine, The Affiliated Zhongshan Hospital of Dalian University, Dalian, P.R. China
5. Department of Cardiology and Pneumology, University Medical Center of Göttingen, Georg-August University of Göttingen, Lower Saxony, Germany