Institution: | (1) Health Canada, Ottawa, ON, Canada;(2) University of Barcelona, Barcelona, Spain;(3) Central Science Laboratory, Sand Hutton, York, YO41 1LZ, UK;(4) Kenepuru Science Centre, Porirua, New Zealand;(5) University of Pretoria, Pretoria, South Africa;(6) Centers for Disease Control and Prevention, DeKalb County, GA, USA |