Affiliation: | aINSERM, UMRS 953, Epidemiological Research Unit on Perinatal and Women's and Children's Health, 16 avenue Paul Vaillant Couturier, 94807 Villejuif cedex, Paris, France;bUPMC Univ. Paris 06, Paris, France;cDépartement de Géographie, Université Paris 8 Vincennes—Saint Denis, Saint Denis, France |