| Affiliation: | 1. Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, UT, USA;2. VA Salt Lake City Health Care System, Salt Lake City, UT, USA;3. Department of Political Science, University of Utah, Salt Lake City, UT, USA;4. Infection Control Program, Geneva University Hospitals, Geneva, Switzerland;1. Department of Epidemiology, Preventive Medicine Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA;2. Allied Technology Group, Inc., 1803 Research Boulevard, Suite 601, Rockville, MD, USA;1. The Center for Health Research/Southeast, Kaiser Permanente Georgia, Atlanta, Georgia;2. School of Public Health, Georgia State University, Atlanta, Georgia;3. Institute for Health Research, Kaiser Permanente Colorado, Denver, Colorado;4. Department of Economics, University of Colorado Denver, Denver, Colorado;1. Department of Orthopaedic Surgery, University of Rochester, 601 Elmwood Ave, Box 665, Rochester, NY 14642, USA;2. Department of Orthopaedic Surgery, Washington University School of Medicine, 660 South Euclid Ave., Campus Box 8233, St Louis, MO 63110, USA;3. Department of Neurosurgery, Mayo Clinic, 200 First St. SW, Rochester, MN 55905, USA;4. Florida Spine Specialists, 6000 N. Federal Hwy, Fort Lauderdale, FL 33308, USA;5. Hospital for Special Surgery, 535 E. 70th St., New York, NY 10021, USA;1. National Center for Epidemiology, Carlos III Institute of Health, Madrid, Spain;2. Consortium for Biomedical Research in Neurodegenerative Diseases (Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas – CIBERNED), Ministry of Science and Innovation, Madrid, Spain;3. School of Health Sciences, University of Zaragoza, Zaragoza, Spain;4. Department of Social Services and Family, Aragon Regional Authority, Zaragoza, Spain;1. Faculty of Pharmacy, Université de Montréal, Montreal, Québec, Canada;2. Research Center, Hôpital du Sacré-Coeur de Montréal, Montreal, Québec, Canada;3. Endowment Pharmaceutical Chair, AstraZeneca in Respiratory Health, Montreal, Québec, Canada |
