1 Faculty of Nursing, Department of Paediatrics, University of Calgary, PF 2278, 2500 University Drive, NW, Calgary, AB, T2N 1N4, Canada. [email protected].
2 Mount Sinai Hospital, Department of Paediatrics and Institute of Health Policy, Management and Evaluation, University of Toronto, Rm 19-231N, Mount, Sinai Hospital, 600 University Avenue, Toronto, ON, M5G 1X5, Canada.
3 Edmonton Neonatal Program, Department of Pediatrics, Faculty of Medicine and Dentistry, University of Alberta, DTC 5027, Royal Alexandra Hospital, 10240 Kingsway NW, Edmonton, AB, T5H 3V9, Canada.
4 Centre for Excellence in Economic Analysis Research (CLEAR), Li Ka Shing Knowledge Institute, St. Michael's Hospital, Institute of Health Policy, Management and Evaluation, University of Toronto, 30 Bond Street, Toronto, ON, M5B 1W8, Canada.
5 Department of Community Health Sciences, Faculty of Kinesiology, Sport Injury Prevention Research Center, University of Calgary, 2500 University Drive NW, PF2250G, Calgary, AB, T2N 1N4, Canada.
6 Rockyview General Hospital, Unit 63, 7007 14th Street SW, Calgary, AB, T2V 1P9, Canada.
7 DTC 5027, Royal Alexandra Hospital, 10240 Kingsway NW, Edmonton, AB, T5H 3V9, Canada.
8 Knowledge for Change Unit, Research Innovation and Analytics, Alberta Health Services, 1103 South Tower, Foothills Medical Centre, 1403 29th Street NW, Calgary, AB, T2N 2T9, Canada.
9 Faculty of Social Work, University of Calgary, Calgary, AB, T2N 1N4, Canada.
10 Pathology and Laboratory Medicine, Faculty of Medicine, University of Calgary, Calgary, AB, T2L 2K8, Canada.
11 General Pathology, Calgary Zone, Alberta Health Services; Calgary Laboratory Services, Alberta Health Services Laboratory Utilization Office, 9-3535 Research Road NW, Calgary, AB, T2L 2K8, Canada.
12 Departments of Critical Care Medicine, Medicine and Community Health Sciences, Critical Care Strategic Clinical Network, University of Calgary, 3E18D, TRW Building, 3280 Hospital Drive NW, Calgary, AB, T2N 4Z6, Canada.
13 Department of Obstetrics and Gynecology, Edmonton Zone, Alberta Health Services, University of Alberta, 5S131 -10240 Kingsway NW, Edmonton, AB, T5H 3V9, Canada.
14 Department of Pediatrics and Community Health Sciences, Alberta Health Services, University of Calgary, C211-1403 29th Street NW, Calgary, AB, T2N 2T9, Canada.
After publication of our article [1], the authors have reported mathematical errors made in the sample size calculation for this cluster randomized controlled trial (cRCT) (Benzies et al. 2017).