Department of Research and Education, Ciro, Horn, the Netherlands. Environmental Risk and Health Unit, Flemish Institute for Technological Research (VITO), Mol, Belgium. Department of Respiratory Medicine, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre (MUMC+), Maastricht, the Netherlands. REVAL - Rehabilitation Research Center, BIOMED - Biomedical Research Institute, Faculty of Medicine and Life Sciences, Hasselt University, Diepenbeek, Belgium. Chair of Physiology Unit, Otto Loewi Center of Research for Vascular Biology, Immunity and Inflammation, Graz, Austria. Centre for Environmental Sciences, Hasselt University, Hasselt, Belgium.