1 Research Institute, Department of Pediatrics, Marien-Hospital Wesel, Wesel, Germany. Electronic address: avb.rodehorst@gmx.de.
2 Dr von Haunersches Kinderspital, Ludwig-Maximilians-Universität, Munich, Germany.
3 Research Institute, Department of Pediatrics, Marien-Hospital Wesel, Wesel, Germany; Dr von Haunersches Kinderspital, Ludwig-Maximilians-Universität, Munich, Germany.
4 Helmholtz Zentrum Munich, German Research Center for Environmental Health (GmbH), Institute of Epidemiology I, Neuherberg, Germany.
5 Department of Pediatrics, Technical University of Munich, Munich, Germany.
6 IUF Leibniz Research Institute for Environmental Medicine at the University of Düsseldorf, Düsseldorf, Germany.
7 Research Institute, Department of Pediatrics, Marien-Hospital Wesel, Wesel, Germany.