Response to Letter Regarding Article, "Vitamin D Promotes Vascular Regeneration". Issue 22 (2nd June 2015) - Ka Wong, Michael Sze; Leisegang, Matthias S.; Kruse, Christoph; Vogel, Juri; Schürmann, Christoph; Dehne, Nathalie; Weigert, Andreas; Herrmann, Eva; Brüne, Bernhard; Shah, Ajay M.; Steinhilber, Dieter; Offermanns, Stefan; et al.