Corrigendum: Characterization of Metagenomes in Urban Aquatic Compartments Reveals High Prevalence of Clinically Relevant Antibiotic Resistance Genes in Wastewaters - Ng, Charmaine; Tay, Martin; Tan, Boonfei; Le, Thai-Hoang; Haller, Laurence; Chen, Hongjie; Koh, Tse H.; Barkham, Timothy M. S.; Thompson, Janelle R.; Gin, Karina Y.-H. (Frontiers in Microbiology, 2018)