Satellite-based estimates of ambient air pollution and global variations in childhood asthma prevalence

H. R. Ross Anderson, Barbara K. Butland, Aaron van Donkelaar, Michael Brauer, David P. Strachan, Tadd Clayton, Rita van Dingenen, Marcus Amann, Bert Brunekreef, Aaron Cohen, Frank Dentener, Christopher Lai, Lok N. Lamsa, Randall V. Martin