Just published: The article Ruther, F., Distler, T., Boccaccini, A. R., Detsch, R., Biofabrication of vessel-like structures with alginate di-aldehyde—gelatin (ADA-GEL) bioink, J. Mater. Sci. Mater. Med. 30 (2019) 8 is now online. This paper belongs to the Topical Collection “Biofabrication and Bioinks for Tissue Engineering” being guest edited by Prof. Aldo R. Boccaccini (FAU Erlangen-Nuremberg) and Prof. Michael Gelinsky (TU Dreden)