[1] Independent Health Insurance Funds, Brussels, Belgium
[2] Leuven Institute for Healthcare Policy, KU Leuven, Leuven, Belgium
[3] VITO Health, Flemish Institute for Technological Research (VITO), Mol, Belgium
[4] Health and Environment Alliance, Brussels, Belgium
[5] Belgian Interregional Environment Agency, Brussels, Belgium
[6] Centre for Environmental Sciences, Hasselt University, Diepenbeek, Belgium
[7] Centre for Environment and Health, KU Leuven, Leuven, Belgium