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of each tissue compartment used to construct the lookup table.
| Tissue | (1/cm) | Number of points |
|---|---|---|
| Scalp | 5, 7.5, 10, 12.5, 15, 17.5, 20, 22.5, 25, 27.5, 30, 32.5, 35 | 13 |
| Skull | 5, 8.75, 12.5, 16.25, 20, 23.75, 27.5, 31.25, 35 | 9 |
| CSF | 1, 1.9, 2.8, 3.7 | 4 |
| GM | 5, 11, 17, 23, 29, 35 | 6 |
