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VALENCIA, SPAIN - APRIL 27: Queen Letizia of Spain attends the Educative Congress of Rare Diseases at Facultad de Ciencias de la Salud. Universidad Cardenal Herrera on April 27, 2017 in Valencia, Spain. (Photo by fotopress/Getty Images)

VALENCIA, SPAIN - APRIL 27:  Queen Letizia of Spain attends the Educative Congress of Rare Diseases at Facultad de Ciencias de la Salud. Universidad Cardenal Herrera on April 27, 2017 in Valencia, Spain.  (Photo by fotopress/Getty Images)