The STRING database in 2017: Quality-controlled protein-protein association networks, made broadly accessible - Szklarczyk, D; Morris, J H; Cook, H; Kuhn, M; Wyder, S; Simonovic, M; Santos, A; Doncheva, N T; Roth, A; Bork, P; Jensen, L J; von Mering, C (Nucleic Acids Res, 2017)