| Affiliation: | (1) Department of International Health, Institute of General Practice and Community Medicine, University of Oslo, PO Box 1130, Blindern, N-0318 Oslo, Norway;(2) Center for Health Promotion, Akershus University Hospital, Sykehusveien 27, N-1478 L?renskog, Norway;(3) Division of Infectious Disease Control, Norwegian Institute of Public Health, P.O. Box 4404, Nydalen, N-0403 Oslo, Norway;(4) Competence Centre for Imported and Tropical Diseases, Ullev?l University Hospital, Kirkeveien 166, N-0450 Oslo, Norway;(5) Department of Medicine, Haukeland University Hospital, Jonas Lies vei 65, N-5053 Bergen, Norway;(6) Tuberculosis Control Unit, Ullev?l University Hospital, Kirkeveien 166, N-0450 Oslo, Norway |
