500, HG006485, and HG006612 (A.M.); ES0t7793, DK087728, Michael J. Fox Foundation, National Parkinson Disease Foundation, and DOD W8tXWH-12-1-0569 (R.L.N.); HG004488, RR025747, RR025746, RR025745, HG006487, University of North Carolina Cancer Research Fund, UNC Bryson Philanthropic Fund, and the UNC