1. Department of Clinical Physiology and Nuclear Medicine; Skåne University Hospital and Lund University; Lund Sweden
2. Department of Clinical Physiology; Blekingesjukhuset; Karlskrona Sweden
3. Department of Emergency Medicine; Skåne University Hospital and Lund University; Lund Sweden
4. Thoracic Center; Blekingesjukhuset; Karlskrona Sweden