Editorial: Post-Acute Sequelae of COVID-19 infection (PASC): Implications for geriatric and neurological care - Ng, Ted Kheng Siang; Dal Bello-Haas, Vanina; Negm, Ahmed; Philippou, Elena; Santos, Flávia H.; Heyn, Patricia C. (Frontiers in Aging Neuroscience, 2023)