1. a Food and Health Research Centre, Department of Clinical Nutrition, Institute of Public Health and Clinical Nutrition, University of Eastern Finland , PO Box 1627, FI-70211 Kuopio , Finland
2. b Molecular Epidemiology Unit, Centre for Epidemiology and Biostatistics, Leeds Institute of Genetics, Health and Therapeutics, Faculty of Medicine and Health, University of Leeds , Leeds LS2 9JT , UK
3. c Maryland Institute for Applied Environmental Health, School of Public Health, University of Maryland , College Park , MD , USA
4. d Viral Hepatitis Research Laboratory , National Hepatology & Tropical Medicine Research Institute , Cairo , Egypt
5. e Faculty of Medicine , Minia University , Minia , Egypt
6. f National Liver Institute, Menoufiya University , Menoufiya , Egypt
7. g STAT-Consulting, Nokia , Finland
8. h Food Toxicology Laboratory , School of Biological Sciences, University of Hong Kong , Hong Kong SAR , China