| Group | Vol. (µl) |
| PBMC (1.0 × 106 cells) | 500 |
| PBMC (1.0 × 106 cells) + Incentive | 500 + 50 |
| MCF-7 (1.0 × 104 cells) | 500 |
| MCF-7 (1.0 × 104 cells) + Incentive | 500 + 50 |
| PBMC (1.0 × 106 cells) | 500 |