1. Section for Respiratory Medicine & Allergology, Department of Clinical Sciences Lund, Lund University, Skåne University Hospital, Lund, Sweden.
2. Section for Infection Medicine, Department of Clinical Sciences Lund, Lund University, Skåne University Hospital, Lund, Sweden.
3. Department of Immunotechnology, Lund University, Lund, Sweden.
4. Departments of Anaesthesiology & Intensive Care and Clinical Sciences Lund, Lund University, Skåne University Hospital, Lund, Sweden.