*2.5. Measurements of 12(S)-HETE, G-CSF, and Myeloperoxidase (MPO)*

G-CSF and MPO were measured using bronchoalveolar lavage fluid (BALF) by enzyme-linked immunosorbent assay (ELISA) kits (Abcam, Cambridge, UK) in accordance with the manufacturer's instructions. The 12(*S*)-HETE ELISA kit was purchased from Enzo Life Sciences Inc., and the levels of 12(*S*)-HETE in BALF were quantified following the manufacturer's instructions.
