A delegation from Harvard University here today paid a visit to the headquarters of the Global Center for Combating Extremist Ideology (Etidal). During the visit, the delegation was briefed on the mechanism of the center's intellectual, informational and technical works. The Secretary General of the center Dr. Nasser Al-Buqami and the delegation discussed ways of cooperation, especially in the field of studies and research, in order to achieve the objectives of the Center in the field of combating extremism.