title: Eighteen Years with Spinal Muscular Atrophy (SMA) Type 1.
authors.affiliation: Unidad Medico-Quirurgica de Enfermedades Respiratorias, Hospital Virgen Del Rocio, Sevilla, Espana.
authors.forename: Borja
authors.initials: B
authors.lastname: Valencia
authors.affiliation: Department of Physical Medicine and Rehabilitation, University of Medicine and Dentistry of New Jersey (UMDNJ)-New Jersey Medical School, Newark, N.J., USA.
authors.forename: John Robert
authors.initials: JR
authors.lastname: Bach