Table 2.

Features being selected more than half of the times (the boldfaced ones were selected every time) in outer loop CVs

Categories	Names
Dosimetric information (1)	Mean_Lung_Dose(α/β = 4)
cytokine (10)	2w_eotaxin, 4w_eotaxin, pre_TNF‐α, 2w_TNF‐α, 4w_TNF‐α, 2w_IL‐8, 4w_IL‐8, 2w_MCP‐1, 2w_fractalkine, pre_IFN‐γ,
miRNA (8)	hsa‐miR‐192‐5p, hsa‐miR‐22‐3p, hsa‐miR‐128, hsa‐miR‐15a‐5p, hsa‐miR‐223‐3p, hsa‐miR‐23a‐3p, hsam‐miR‐210, hsa‐miR‐100‐5p
SNPs(9)	Rs3857979(BMP1), Rs238406(ERCC2), Rs12456284(SMAD4), Rs1625895(TP53), Rs1799983(NOS3), Rs4803455(TGFB1), Rs25487(XRCC1), Rs1800468(TGFB1), Rs2075685(XRCC4)