The first sample of spectroscopically confirmed ultra-compact massive galaxies in the Kilo Degree Survey per Tortora, C, Napolitano, NR, Spavone, M, La Barbera, F, D'Ago, G, Spiniello, C, Kuijken, KH, Roy, N, Raj, MA, Cavuoti, S, Brescia, M, Longo, G, V Pota, Petrillo, CE, Radovich, M, Getman, F, Koopmans, LVE, Trujillo, I, Kleijn, GV, Capaccioli, M, Grado, A, Covone, G, Scognamiglio, D, Blake, C, Glazebrook, K, Joudaki, S, Lidman, C, Wolf, C