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Ni MZ, Huddy JR, Priest OH, et al. Selecting pH cut-offs for the safe verification of nasogastric feeding tube placement: a decision analytical modelling approach. BMJ Open 2017;7:e018128. doi: 10.1136/bmjopen-2017-018128
In the ‘Outcomes of feeding decisions’ section, the sentence: “For the remaining outcomes, we applied the analytic hierarchy process,14…”
should read: “For the remaining outcomes, we applied the Measuring Attractiveness by a Categorical Based Evaluation Technique (MACBETH) approach.14…”
Reference 14 should be: Bana e Costa CA, De Corte JM, Vansnick JC. “MACBETH”. International Journal of Information Technology and Decision Making 2012;11:359–387.
Reference 15 should be: Bana e Costa CA, Chagas MP. A career choice problem: an example of how to use MACBETH to build a quantitative value model based on qualitative value judgments. Eur J Operational Res 2004;153:323–331.