Table 1. Available Population Characteristics
| Characteristic | PD | MSA-P | MSA-C |
| No. of patients | 14 | 20 | 14 |
| Sex (F/M) | 8/6 | 13/7 | 7/7 |
| Age at SPECT (y) | 56.52±16.54 | 64.30±6.70 | 64.32±6.57 |
| Disease duration (y) | 1.57±1.19 | 1.46±1.12 | 1.27±0.87 |
| UPDRS III | 18.88±8.86 | 40.07±17.90 | 30.09±12.71 |
| H&Y | 1.25±0.46 (1-2) | 3.60±0.99 (2-5) | 3.36±0.92 (2-5) |
| SSRI (n) | 2 | 2 | 1 |