GFAP and concussion: Two of the three biomarkers tested in our study have already been developed to be used in a POCT for the diagnostic of ICI in adults: the TBICheckTM Rapid test38 for HFABP and the i-STAT for GFAP.36 The development of these diagnostic devices will be necessary to implement blood biomarker measurement in mTBI clinical routine practice, especially in children.