Declaration of interest
The authors report no conflicts of interest. The authors alone are responsible for the content and writing of this article.
This Letter in response is linked to another Letter also published in this issue - Letter in response to :External validation of the paracetamol-aminotransferase multiplication product to predict hepatotoxicity from paracetamol overdose, by Riggan et et al., DOI - 10.3109/15563650.2015.1104537.