About the Authors
Department of Physiology and Pathophysiology, Peking University Health Science Center, Beijing, China
College of Binzhou Polytechnic, Binzhou, Shandong Province, China
Department of Surgery, University of Michigan Medical Center, Ann Arbor, Michigan, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: ZL LG HT YY XX YL JZ MM WZ. Performed the experiments: ZL LG HT YY. Analyzed the data: ZL LG HT YY. Contributed reagents/materials/analysis tools: ZL LG HT YY XX YL JZ WZ. Wrote the paper: ZL WZ.