It looks like you are not eligible to take part in the PD Frontline study.
Please read the below alternative research pathways that may best apply to you:
If you are someone with Parkinson's who lives outside of the UK, the following studies carry out genetic testing for people who have been diagnosed with Parkinson's outside of the UK:
The Rostock International Parkinson's Disease Study (ROPAD)
PD GENEration: Mapping the Future of Parkinson’s Disease (only in the USA)
If you live in the UK and you have been diagnosed with Multi System Athrophy (MSA), information on research opportunities can be found here
If you live in the UK and you have been diagnosed with Progressive Supranuclear Palsy (PSP) or Corticobasal Degeneration (CBD), information on research opportunities can be found here