Supplementary motor area stimulation for Parkinson disease: A randomized controlled studyAuthor Response

Shirota et al.1 reported a large trial of repetitive TMS of the supplementary motor area (SMA) for PD. Stimulation was given weekly for 8 weeks, with a 3-arm design. The authors did not report baseline Unified Parkinson's Disease Rating Scale (UPDRS) scores and time of medication intake with respect to assessment times. Strong …