Queen Mathilde of Belgium (C) walks with crutches as she arrives along with EU foreign policy chief Federica Mogherini (L) to attend a conference on Ebola on March 3, 2015 in Brussels. Leaders of Ebola-hit countries in west Africa attend an international conference in Brussels on March 3 to mobilise a final push to end the outbreak and ensure the delivery of nearly $5 billion in aid pledges. Queen Mathilde of Belgium injured her left knee after a fall. AFP PHOTO / BELGA PHOTO / BENOIT DOPPAGNE ** BELGIUM OUT **        (Photo credit should read BENOIT DOPPAGNE/AFP/Getty Images)