Cohort Profile: The ENVIRonmental influence ON early AGEing (ENVIRONAGE): a birth cohort study. (15th January 2017) - Janssen, Bram G; Madhloum, Narjes; Gyselaers, Wilfried; Bijnens, Esmée; Clemente, Diana B; Cox, Bianca; Hogervorst, Janneke; Luyten, Leen; Martens, Dries S; Peusens, Martien; Plusquin, Michelle; Provost, Eline B; et al.