1. Department of Pulmonary and Infectious Diseases; Nordsjaellands Hospital; University of Copenhagen; Denmark
2. University Healthcare Research Centre; Faculty of Health and Medicine; Örebro University; Sweden
3. Centre for Assessment of Medical Technology; Örebro University; Sweden
4. Institute of Public Health; University of Copenhagen; Copenhagen Denmark
5. The University Hospital Centre for Health Research; Copenhagen University Hospital; Rigshospitalet; København Ø Denmark
6. Section for Nursing; Department of Clinical Medicine and Department of Public Health; Faculty of Health Sciences; Aarhus University; Aarhus N Danmark
7. Research Unit; Nordsjaellands Hospital; University of Copenhagen; Department of Nursing; Metropolitan University College; Copenhagen Denmark