Original sentence: The gallery was closely colaborating with Fluxus artists such as Eric Andersen,  Robert Filliou, Mail artists like Robin Crozier  and Endre TÓT and other Conceptual artists such as Dick Higgins, Hreinn Fridfinnsson, Dieter Roth, Ruri, Peter Schmidt, Jacek Tylicki and many others
Edited sentence: The gallery was closely collaborating with Fluxus artists such as Eric Andersen,  Robert Filliou, Mail artists like Robin Crozier  and Endre TÓT and other Conceptual artists such as Dick Higgins, Hreinn Fridfinnsson, Dieter Roth, Ruri, Peter Schmidt, Jacek Tylicki and many others