Funding for this research was provided by:
Michael J. Fox Foundation for Parkinson's Research (14702)
National Institutes of Health (T32GM008152)
Received: 14 November 2019
Accepted: 3 April 2020
First Online: 20 April 2020
Ethics approval and consent to participate
: All participants provided written informed consent prior to the study. The study was approved by the Institutional Review Board of Northwestern University (Chicago, IL; IRB No. STU00203796).
: Not applicable.
: J.A.R. and R.G. hold equity in the company MC10, Inc. that makes wearable sensors for medical applications. The remaining authors declare no competing interests.