P704: A virtual registry of 9K Leigh syndrome and primary mitochondrial disease cases constructed through semi-automated literature mining and expert curation - Lishuang Shen; Marie Lott; Elizabeth McCormick; Colleen Muraresku; Kierstin Keller; Douglas Wallace; Zarazuela Zolkipli-Cunningham; Shamima Rahman; Marni Falk; Xiaowu Gai (Genetics in Medicine Open)