Early neurodevelopmental and medical profile in children with sex chromosome trisomies: Background for the prospective eXtraordinarY babies study to identify early risk factors and targets for intervention. - Tartaglia N; Howell S; Davis S; Kowal K; Tanda T; Brown M; Boada C; Alston A; Crawford L; Thompson T; van Rijn S; Wilson R; et al. (American journal of medical genetics. Part C, Seminars in medical genetics, 2020)