Funding for this research was provided by:
Michael J. Fox Foundation for Parkinson's Research
Text and Data Mining valid from 2018-05-30
Received: 10 February 2018
Accepted: 26 May 2018
First Online: 30 May 2018
Compliance with Ethical Standards
: The paper has not been previously published and is not under review by another journal and no conflict of interest was identified among all authors.
: The method section contains a statement that the local institute review board has approved this study and that each participant signed an informed consent form.