1. Division of Infection Medicine, Department of Clinical Sciences Lund, Lund University, Lund, Sweden;
2. Department of Pediatrics and
3. Department of Clinical Immunology, Odense University Hospital, Denmark;
4. Division of Rheumatology, Department of Clinical Sciences Lund, Lund University, Lund, Sweden; and
5. The Granulocyte Research Laboratory, Department of Hematology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark