AUTHOR=Miguelez Cristina , De Deurwaerdère Philippe , Sgambato Véronique TITLE=Editorial: Non-Dopaminergic Systems in Parkinson’s Disease JOURNAL=Frontiers in Pharmacology VOLUME=11 YEAR=2020 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2020.593822 DOI=10.3389/fphar.2020.593822 ISSN=1663-9812