AUTHOR=De Marchi Fabiola , Carecchio Miryam , Cantello Roberto , Comi Cristoforo TITLE=Predicting Cognitive Decline in Parkinson’s Disease: Can We Ask the Genes? JOURNAL=Frontiers in Neurology VOLUME=5 YEAR=2014 URL=https://www.frontiersin.org/journals/neurology/articles/10.3389/fneur.2014.00224 DOI=10.3389/fneur.2014.00224 ISSN=1664-2295