A Hybrid Approach for Screening Endothelial Dysfunction using Photoplethysmography and Digital Thermal Monitoring. - Shashika Chamod Munasingha; Kodithuwakkuge Keerthi Priyankara; Sandali Nisansa Liyanagoonawardena; Wijesekara Vithanage Charith; Chamil Sampath Pinto; Kithmin Wickramasinghe; Godwin Roger Constantine; Saroj Jayasinghe (EMBC, 2021)