AUTHOR=Chiang Stephen TITLE=Follow-Up Imaging: Molecular Imaging is Likely Best as a Single Modality, but Multimodality Imaging is the Future JOURNAL=Frontiers in Neurology VOLUME=6 YEAR=2015 URL=https://www.frontiersin.org/journals/neurology/articles/10.3389/fneur.2015.00074 DOI=10.3389/fneur.2015.00074 ISSN=1664-2295