Philanthropist Bill Gates (R) embraces Pricilla Chan (2nd R) as Mark Zuckerberg looks on during an announcement of the Chan Zuckerberg Initiative to "cure, prevent or manage all disease" by the end of the century during a news conference at UCSF Mission Bay in San Francisco, California, U.S. September 21, 2016. REUTERS/Beck Diefenbach

Members of the clergy lay hands and pray over Donald Trump at the New Spirit Revival Center in Cleveland Heights, Ohio. REUTERS/Jonathan Ernst

Bill Gates speaks with reporters after speaking at the announcement of the Chan Zuckerberg Initiative to "cure, prevent or manage all disease" by the end of the century during a news conference at UCSF Mission Bay in San Francisco, California, U.S. September 21, 2016. REUTERS/Beck Diefenbach

Pricilla Chan (R) and her husband Mark Zuckerberg announce the Chan Zuckerberg Initiative to "cure, prevent or manage all disease" by the end of the century during a news conference at UCSF Mission Bay in San Francisco, California, U.S. September 21, 2016. REUTERS/Beck Diefenbach

Mark Zuckerberg greets attendees after announcing the Chan Zuckerberg Initiative to "cure, prevent or manage all disease" by the end of the century during a news conference at UCSF Mission Bay in San Francisco, California, U.S. September 21, 2016. REUTERS/Beck Diefenbach

Myanmar's Minister of Foreign Affairs Aung San Suu Kyi addresses the 71st United Nations General Assembly in Manhattan, New York, U.S. September 21, 2016. REUTERS/Carlo Allegri

Mylan NL CEO Heather Bresch waits to testify before a House Oversight and Government Reform Committee hearing on the Rising Price of EpiPens, at the Capitol in Washington, U.S. September 21, 2016. REUTERS/Yuri Gripas

Mylan NL CEO Heather Bresch arrives to testify before a House Oversight and Government Reform Committee hearing on the Rising Price of EpiPens, at the Capitol in Washington, U.S. September 21, 2016. REUTERS/Yuri Gripas