When somebody loses weight, where does the fat go?

In figure 2 of this Christmas Feature by Ruben Meerman and Andrew Brown (BMJ 2014;349:g7257, doi:10.1136/bmj.g7257) the number in pale blue above H₂0 should be 9.4 kg, not “8.4 kg” as was published. This error in figure 2 was corrected online on 3 February 2015.