1 Clinical Genetics Department, Guy's and St Thomas NHS Foundation Trust, London SE1 9RT, UK. Electronic address: francesca.forzano@nhs.net.
2 PHG Foundation, University of Cambridge, 2 Wort's Causeway, Cambridge CB1 8RN, UK.
3 Sustainable UCL, University College London (UCL), London SE1 9RT, UK; Green Lab Associates, UK.
4 Centre for Climate and Environmental Resilience, Newcastle University, UK.
5 Wellcome Centre for Mitochondrial Research, Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne NE2 4HH, UK; NHS Highly Specialised Service for Rare Mitochondrial Disorders, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne NE1 4LP, UK.