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Activity distributions used in the study. Note that all the activity concentrations were normalized to that of 123I background.
| Distribution | Relative activity concentration | |||||
|---|---|---|---|---|---|---|
| Left caudate | Left putamen | Right caudate | Right putamen | Background | ||
| I | I | 5 | 5 | 5 | 5 | 1 |
| Tc | 5 | 3 | 5 | 3 | 1 | |
| II | I | 5 | 5 | 5 | 5 | 1 |
| Tc | 2.5 | 0.5 | 2.5 | 0.5 | 0.5 | |
| III | I | 5 | 5 | 5 | 5 | 1 |
| Tc | 1.5 | 1.5 | 2.5 | 2.5 | 0.5 | |
| IV | I | 3 | 3 | 3 | 3 | 1 |
| Tc | 10 | 10 | 10 | 10 | 2 | |
| V | I | 3 | 5 | 3 | 5 | 1 |
| Tc | 10 | 6 | 10 | 6 | 2 | |
