Corrigendum to “Analytical validation of protein biomarkers for risk of spontaneous preterm birth” [Clin. Mass Spectrom. 3 (2017) 25–38]

The authors wish to include two sentences in the Experimental section of the above mentioned paper. In Section 2.1.1, following the last sentence of the first paragraph, which reads “The PAPR study followed the Good Clinical Practice guidelines issued by the International Conference on Harmonisation.”, please insert “Participating women provided voluntary, informed consent. The original study protocols as well as these secondary analyses were approved by the representative institutional review boards.”.

The authors would like to apologise for any inconvenience caused.