Recent Advances in Self-Powered Wearable Sensors Based on Piezoelectric and Triboelectric Nanogenerators. - Rayegani, Arash; Saberian, Mohammadmohsen; Delshad, Zahra; Liang, Junwei; Sadiq, Muhammad; Nazar, Ali Matin; Mohsan, Syed Agha Hassnain; Khan, Muhammad Asghar (Biosensors (2079-6374), 2023)