CDEseq                  Identification of confirmed and sequential
                        disability worsening and improvement events
CDI                     Identification of confirmed disability
                        improvement events
CDW                     Identification of confirmed disability
                        worsening events
PIRA                    Identification of progression independent of
                        relapse activity (PIRA) events
SampleData              Expanded disability status scale (EDSS) score
                        and functional system score (FSS) recorded at
                        each visit
spmsDx                  Identification of secondary progressive
                        multiple sclerosis
spmsDx_no_fss           Identification of secondary progressive
                        multiple sclerosis without functional system
                        scores and ambulation score
