“… Challenges of incorporating environmental impact in the economic evaluation of health technology assessment [ 3 , 7 , 8 , 11 , 12 , 13 , 14 , 16 , 17 , 18 , 19 , 20 , 21 , 24 , 27 , 28 , 31 , 32 , 33 , 34 , 35 , 39 , 41 , 48 , 52 , 53 , 54 ]. The particular bibliographic references related to each approach and challenge can be found in Supplementary Material (Table S4) .…”