Handling time varying confounding in observational research

BMJ. 2017 Oct 16:359:j4587. doi: 10.1136/bmj.j4587.

¹ Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, PO Box 14155-6446, Tehran, Iran mansournia_m@sina.tums.ac.ir.
² Department of Ophthalmology and Visual Sciences, University of British Columbia, Vancouver, British Columbia, Canada.
³ Department of Global Health and Population, Harvard TH Chan School of Public Health, Boston, MA, USA; Department of Epidemiology, Harvard TH Chan School of Public Health, Boston, MA, USA.
⁴ Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montreal, Canada.
⁵ Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK.

No abstract available

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