International working group identifies need for newborn screening for mucopolysaccharidosis type I but states that existing hurdles must be overcome. - Parini R; Broomfield A; Cleary MA; De Meirleir L; Di Rocco M; Fathalla WM; Guffon N; Lampe C; Lund AM; Scarpa M; Tylki-Szymańska A; Zeman J (Acta paediatrica (Oslo, Norway : 1992), 2018)