Intraputaminal Delivery of Adeno-Associated Virus Serotype 2-Glial Cell Line-Derived Neurotrophic Factor in Mild or Moderate Parkinson's Disease. - Van Laar AD; Christine CW; Phielipp N; Larson PS; Elder JB; Merola A; San Sebastian W; Fiandaca MS; Kells AP; Wisniewski ME; Bankiewicz KS (Movement disorders : official journal of the Movement Disorder Society, 2025)