Funding for this research was provided by:
Departmental and Institutional Funding, Department of Anesthesiology, National Defense Medical College, Tokorozawa, Saitama, Japan
Article History
Received: 2 April 2018
Accepted: 4 August 2018
First Online: 11 August 2018
Compliance with ethical standards
:
: Support for this study was solely provided by departmental and institutional funding of Department of Anesthesiology, National Defense Medical College, Tokorozawa, Saitama, Japan. Kenichi Masui is an Editor of the Journal of Anesthesia, and an associate editorial board member of the British Journal of Anaesthesia.