1. COPSAC, Copenhagen Prospective Studies on Asthma in Childhood, Herlev and Gentofte Hospital, University of Copenhagen, 2820 Copenhagen, Denmark.
2. Department of Pediatrics, Slagelse Hospital, 4200 Slagelse, Denmark.
3. Departments of Medicine and Microbiology and Human Microbiome Program, New York University Langone Medical Center, New York, NY 10016, USA.
4. Center for Advanced Biotechnology and Medicine, Rutgers University, Piscataway, NJ 08854, USA.
5. Section of Chemometrics and Analytical Technologies, Department of Food Science, University of Copenhagen, 1958 Frederiksberg C, Denmark.
6. Department of Biotechnology and Biomedicine, Technical University of Denmark, 2800 Kgs. Lyngby, Denmark.
7. Section of Microbiology, Department of Biology, University of Copenhagen, 2100 Copenhagen, Denmark.
8. San Diego Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, La Jolla, CA 92093, USA.
9. Section of Bioinformatics, Department of Health Technology, Technical University of Denmark, 2800 Kgs. Lyngby, Denmark.