title: Highlighting the methodology.
authors.forename: S P
authors.initials: SP
authors.lastname: Shah
authors.forename: J W
authors.initials: JW
authors.lastname: Bartlett
authors.forename: C
authors.initials: C
authors.lastname: Frost
mesh_terms: D003627:Data Interpretation, Statistical; D006801:Humans; D009898:Optic Disk / Q000473:pathology*; D012107:Research Design; D020181:Sleep Apnea, Obstructive / Q000473:pathology*