Longitudinal multimodal imaging and clinical endpoints for frontotemporal dementia clinical trials - Staffaroni, Adam M; Ljubenkov, Peter A; Kornak, John; Cobigo, Yann; Datta, Samir; Marx, Gabe; Walters, Samantha M.; Chiang, Kevin; Olney, Nick; Grinberg, Lea Tenenholz (Brain, 2019)