Table A1.

Broad beam cell survival data for the four cell lines used. Mean values and standard deviations of three independent repeat experiments are reported.

Dose [Gy]	HUVEC	MRC5	NCI-H23	A549
0	1 ± 0	1 ± 0	1 ± 0	1 ± 0
2	0.25 ± 0.03	0.28 ± 0.04	0.32 ± 0.02	0.55 ± 0.06
4	0.048 ± 0.019	0.084 ± 0.008	0.065 ± 0.014	0.17 ± 0.03
6	0.007 ± 0.002	0.023 ± 0.01	0.026 ± 0.006	0.056 ± 0.01
8	0.001 ± 0.0001	0.007 ± 0.004	0.003 ± 0.0002	0.006 ± 0.002
10		0.001 ± 0.00005	0.001 ± 0.00002	0.002 ± 0.001