Affiliation: | 1.French Institute for Public Health Surveillance (InVS), Saint Maurice, France; ;2.Dept. of International Health, School of Public Health and Primary Care (Caphri), Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, Netherlands; ;3.French Agency for Food, Environmental and Occupational Health Safety, Lyon, France; ;4.Smittskyddsinstitutet, Stockholm, Sweden; ;5.Statens Serum Institut, Copenhagen, Denmark |