Letter to the Editor Regarding “Glial Fibrillary Acidic Protein (GFAP) Outperforms S100 Calcium-Binding Protein B (S100B) and Ubiquitin C-Terminal Hydrolase L1 (UCH-L1) as Predictor for Positive Computed Tomography of the Head in Trauma Subjects” - Sotiropoulos, Athanasios; Alexiou, George A.; Voulgaris, Spyridon (World neurosurgery, 2019)