Reply to Comment on: 'Possible pro-carcinogenic association of endotoxin on lung cancer among Shanghai women textile workers'. - Checkoway, H; Lundin, J I; Costello, S; Ray, R M; Li, W; Eisen, E A; Astrakianakis, G; Applebaum, K; Gao, D L; Thomas, D B (British Journal of Cancer, 2015)