| aboBoNT/A | abobotulinum neurotoxin type A |
| ADOSE(uDU) | dose at investigation (actual dose) |
| AGE(years) | age at recruitment |
| AOS(years) | age at onset of symptoms |
| AOT | age at onset of therapy |
| ASCD | actual severity of CD |
| ATSUI | TSUI at investigation (actual TSUI) |
| BoNT | botulinum neurotoxin |
| CD | cervical dystonia |
| CO | continuous onset subgroup |
| CoD | course of the severity of CD |
| CoDA | CoD after BoNT therapy |
| CoDB | CoD before BoNT therapy |
| CR | continuous response subgroup |
| CSTF | complete STF |
| DO | delayed onset subgroup |
| DR | delayed response subgroup |
| DURS (months) | time from onset of symptoms to BoNT therapy |
| DURT (months) | duration of BoNT therapy |
| FSPP | mean frequency of different symptoms |
| FSPP-A | mean frequency of different symptoms during the last month before recruitment |
| NSPP-B | mean frequency of different symptoms before onset of BoNT therapy |
| GCP | good clinical practice |
| IDOSE(uDU) | dose at onset of BoNT therapy |
| IMPD | improvement according to drawing (for details see Methods) |
| IMPQ | improvement according to questionnaire |
| IMPTSUI | improvement according to TSUI score |
| incoBoNT/A | incobotulinum neurotoxin type A |
| INDOSE(uDU) | increase of dose during BoNT therapy |
| ITSUI | TSUI score at onset of BoNT therapy |
| MHDA | mouse hemidiaphragm assay |
| onaBoNT/A | onabotulinum neurotoxin type A |
| MV | mean value |
| OO | other onset subgroup (for details see Methods) |
| OR | other response subgroup (for details see Methods) |
| RO | rapid onset subgroup |
| RR | rapid response subgroup |
| rimaBoNT/B | rimabotulinum neurotoxin type B |
| SD | standard deviation |
| STF | secondary treatment failure |
| STFG | subgroup of patients drawing a CoD typical for a secondary treatment failure |
| TSUI | TSUI score |
| uDU | unified dose units |