Article History
Received: 2 April 2018
Accepted: 3 April 2018
First Online: 13 April 2018
Change Date: 30 May 2018
Change Type: Correction
Change Details: Unfortunately, after publication of this article [1], it was noticed that the name of Ashraf A. Dahaba is incorrectly displayed as Ashraf Dahaba. The full, corrected author list can be seen here.
Competing interests
: All authors are associate editors of BMC Anesthesiology. The authors declare that they have no other academic or financial conflicts of interest with respect to this manuscript.
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