Bachelet, Brown, Lula da Silva and Stoltenberg will address the gathering Friday night to speak about charting a progressive path in response to the global economic crisis.
United boss Sir Alex Ferguson, serving the first of a five-match touchline ban, was in regular telephone contact with the United dugout and acted to change his side at half-time, replacing the injured Brown with Fabio da Silva and replacing Hernandez with Berbatov.
