Accelerated biological aging in COVID-19 patients - Cao, Xue (Department of Colorectal Surgery. The Sixth Affiliated Hospital. Sun Yat-sen University) ; Li, Wenjuan (Department of Pulmonary and Critical Care Medicine. The Third Affiliated Hospital. Sun Yat-sen University) ; Wang, Ting (Research & Development. Thermo Fisher Scientific Inc.) ; Ran, Dongzhi (University of Arizona. Department of Pharmacology) ; Davalos, Veronica (Institut Germans Trias i Pujol. Institut de Recerca contra la Leucèmia Josep Carreras) ; Planas-Serra, Laura (Institut d'Investigació Biomèdica de Bellvitge) ; Pujol, Aurora 1968- (Institut d'Investigació Biomèdica de Bellvitge) ; Esteller, M (Institut Germans Trias i Pujol. Institut de Recerca contra la Leucèmia Josep Carreras) ; Wang, Xiaolin (Guangdong Institute of Gastroenterology. Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Disease. The Sixth Affiliated Hospital. Sun Yat-sen University) ; Yu, Huichuan (Department of Colorectal Surgery. The Sixth Affiliated Hospital. Sun Yat-sen University)