Evaluating Diversity in Open Photoplethysmography Datasets: Protocol for a Systematic Review

Vedha Penmetcha   ^{1, 2 *} , BA ;   Lekaashree Rambabu   ^{3, 4, 5 *} , BSc, MRES, MBChB ;   Brandon G Smith   ^{1, 6, 7} , BSc, PhD ;   Orla Mantle   ^{1, 7, 8} , MBBS, MPhil ;   Thomas Edmiston   ¹ , BChir, MB ;   Laura Hobbs   ^{1, 7, 9} , BChir, MB ;   Shobhana Nagraj   ^{1, 6, 7, 10, 11, 12} , MBBS, PhD ;   Peter H Charlton   ¹¹ , MEng, PhD ;   Tom Bashford   ^{1, 4, 6, 7} , MBBS, PhD

¹ International Health Systems Group, Department of Engineering, University of Cambridge, Cambridge, United Kingdom

² Department of Kinesiology, Wiess School of Natural Sciences, Rice University, Houston, TX, United States

³ Department of Medicine, University of Cambridge, Cambridge, United Kingdom

⁴ Department of Anaesthesia, Cambridge University Hospitals NHS Foundation Trust, Cambridge, United Kingdom

⁵ Accelerate Programme for Scientific Discovery, Department of Computer Science and Technology, University of Cambridge, Cambridge, United Kingdom

⁶ Cambridge Public Health Interdisciplinary Research Centre, University of Cambridge, Cambridge, United Kingdom

⁷ NIHR Global Health Research Group on Acquired Brain and Spine Injury (ABSI), University of Cambridge, Cambridge, United Kingdom

⁸ GKT School of Medical Education, King's College London, London, United Kingdom

⁹ Department of Anaesthesia, East and North Hertfordshire Teaching NHS Trust, Stevenage, United Kingdom

¹⁰ East London NHS Foundation Trust, London, United Kingdom

¹¹ Department of Public Health and Primary Care, University of Cambridge, Cambridge, United Kingdom

¹² Nuffield Department of Women’s and Reproductive Health, University of Oxford, Oxford, United Kingdom

*these authors contributed equally