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Beam characteristics and experimental setup of the different groups
| Group | |||||
|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | |
| Beam type | FLAT | FLAT | FFF | FFF | FFF |
| Beam-on time (min) | 23.5 | 23.5 | 7.2 | 7.2 | 7.2 |
| Distance to radiation field (cm) | 1.0 | 2.5 | 1.0 | 2.5 | 7.0 |
| Number of ICDs | 10 | 16 | 10 | 10 | 16 |
FLAT flattened photon radiation, FFF flattening filter free photon radiation, ICD implantable cardioverter–defibrillator
