Familial parkinsonism with synuclein pathology Clinical and PET studies of A30P mutation carriers R. Krüger, MD; W. Kuhn, MD; K.L. Leenders, MD; R. Sprengelmeyer, PhD; T. Müller, MD; D. Woitalla, MD; A.T. Portman, MD; R.P. Maguire, MD; L. Veenma, MD; U. Schröder, PhD; L. Schöls, MD; J.T. Epplen, MD; O. Riess, MD; and H. Przuntek, MD Article abstract—Background: The authors identified the second known mutation in the