De Oliveira, Gildasio S. Jr.
Kendall, Mark C.
Marcus, R-Jay
McCarthy, Robert J.
Article History
Received: 28 January 2015
Accepted: 25 July 2015
First Online: 29 July 2015
Compliance with ethical standards
:
: The Department of Anesthesiology at Northwestern University sponsored the research. The authors are employed by the Department of Anesthesiology at Northwestern University.
: The authors declare that they have no conflict of interest.