Declaration of interest
Julia Das is funded by a Northumbria University PhD studentship in collaboration with Senaptec Ltd (Beaverton, Oregon, USA) as well as a Movement Disorder Research Grant from the British Geriatric Society. Samuel Stuart is funded in part by a Parkinson’s Foundation post-doctoral fellowship for basic scientists (PF-PDF-1898) and a clinical research award (PF-CRA-2073). The authors have no other relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript. This includes employment, consultancies, honoraria, stock ownership or options, expert testimony, grants or patents received or pending, or royalties.
Reviewers disclosure
Peer reviewers on this manuscript have no relevant financial relationships or otherwise to disclose.