College officials fear that President Trump may use international enrollment as leverage to demand changes on campuses elsewhere. The number of international students enrolled at U.S. colleges and universities has doubled since 2000.

Accusations against neuroscientist Mark Tessier-Lavigne, first reported years ago, resurfaced in February when the student newspaper, The Stanford Daily, published a series of articles questioning the accuracy and honesty of work produced in laboratories overseen by the former Genentech executive.