Erratum to: A cohort study examining emergency department visits and hospital admissions among people who use drugs in Ottawa, Canada

oleh: Claire E. Kendall, Lisa M. Boucher, Amy E. Mark, Alana Martin, Zack Marshall, Rob Boyd, Pam Oickle, Nicola Diliso, Dave Pineau, Brad Renaud, Tiffany Rose, Sean LeBlanc, Mark Tyndall, Olivia M. Lee, Ahmed M. Bayoumi