1. a Water Research Centre, School of Civil and Environmental Engineering, UNSW Sydney, Kensington, NSW 2052, Australia
2. b Melbourne Water Corporation, 990 La Trobe Street, Docklands, VIC 3008, Australia
3. c Environmental and Public Health Microbiology Laboratory (EPHMLab), Department of Civil Engineering, Monash University, Wellington Road, Clayton, VIC 3800, Australia
4. d Civil Engineering Department, University of Technology Iraq, Baghdad, Iraq
5. e School of Civil and Environmental Engineering, Engineering Faculty, Queensland University of Technology, Brisbane, QLD 4001, Australia