Cohort Profile: The Puberty Cohort in the Danish National Birth Cohort (DNBC). (7th November 2019) - Ernst, Andreas; Brix, Nis; Lauridsen, Lea L B; Strandberg-Larsen, Katrine; Bech, Bodil H; Nohr, Ellen A; Nybo Andersen, Anne-Marie; Parner, Erik T; Meder, Inger K; Olsen, Jørn; Ramlau-Hansen, Cecilia H