Response to Letter Regarding Article, "MicroRNA-155 Exerts Cell-Specific Antiangiogenic but Proarteriogenic Effects During Adaptive Neovascularization". Issue 23 (8th December 2015) - Pankratz, Franziska; Bemtgen, Xavier; Zeiser, Robert; Leonhardt, Franziska; Kreuzaler, Sheena; Hilgendorf, Ingo; Smolka, Christian; Helbing, Thomas; Hoefer, Imo; Esser, Jennifer S.; Kustermann, Max; Moser, Martin; et al.