1. Copenhagen Prospective Studies on Asthma in Childhood, Herlev and Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
2. Copenhagen Prospective Studies on Asthma in Childhood, Herlev and Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark2Department of Pediatrics, Naestved Hospital, Naestved, Denmark
3. Department of Clinical Biochemistry, Aarhus University Hospital, Aarhus, Denmark.
4. Center for Biological Sequence Analysis, Department of Systems Biology, Technical University of Denmark, Lyngby, Denmark
5. Copenhagen Prospective Studies on Asthma in Childhood, Herlev and Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark5Department of Food Science, Faculty of Science, University of Copenhagen, Copenhagen, Denmark