title: Erratum to: The neurological and ophthalmological manifestations of SPG4-related hereditary spastic paraplegia.
authors.affiliation: Department of Ophthalmology, Royal Victoria Infirmary, Newcastle upon Tyne, UK.|Department of Neurology, Royal Victoria Infirmary, Newcastle upon Tyne, UK.
authors.forename: Grant
authors.initials: G
authors.lastname: Guthrie
authors.affiliation: Department of Neurology, Royal Victoria Infirmary, Newcastle upon Tyne, UK.|Wellcome Trust Centre for Mitochondrial Research, Institute of Genetic Medicine,, Newcastle University, Newcastle upon Tyne, NE1 3BZ, UK.
authors.forename: Gerald
authors.initials: G
authors.lastname: Pfeffer
authors.affiliation: Department of Ophthalmology, Royal Victoria Infirmary, Newcastle upon Tyne, UK.
authors.forename: Maura
authors.initials: M
authors.lastname: Bailie
authors.affiliation: Department of Ophthalmology, Royal Victoria Infirmary, Newcastle upon Tyne, UK.|Department of Medical Physics, Royal Victoria Infirmary, Newcastle upon Tyne, UK.
authors.forename: Karen
authors.initials: K
authors.lastname: Bradshaw
authors.affiliation: Department of Ophthalmology, Royal Victoria Infirmary, Newcastle upon Tyne, UK.
authors.forename: Andrew C
authors.initials: AC
authors.lastname: Browning
authors.affiliation: Department of Neurology, Royal Victoria Infirmary, Newcastle upon Tyne, UK.|Wellcome Trust Centre for Mitochondrial Research, Institute of Genetic Medicine,, Newcastle University, Newcastle upon Tyne, NE1 3BZ, UK.
authors.forename: Rita
authors.initials: R
authors.lastname: Horvath
authors.affiliation: Department of Neurology, Royal Victoria Infirmary, Newcastle upon Tyne, UK.|Wellcome Trust Centre for Mitochondrial Research, Institute of Genetic Medicine,, Newcastle University, Newcastle upon Tyne, NE1 3BZ, UK.
authors.forename: Patrick F
authors.initials: PF
authors.lastname: Chinnery
authors.affiliation: Department of Ophthalmology, Royal Victoria Infirmary, Newcastle upon Tyne, UK. Patrick.Yu-Wai-Man@ncl.ac.uk.|Department of Neurology, Royal Victoria Infirmary, Newcastle upon Tyne, UK. Patrick.Yu-Wai-Man@ncl.ac.uk.|Wellcome Trust Centre for Mitochondrial Research, Institute of Genetic Medicine,, Newcastle University, Newcastle upon Tyne, NE1 3BZ, UK. Patrick.Yu-Wai-Man@ncl.ac.uk.
authors.forename: Patrick
authors.initials: P
authors.lastname: Yu-Wai-Man