Text and Data Mining valid from 2018-12-12
Received: 30 July 2018
Revised: 14 October 2018
Accepted: 6 November 2018
First Online: 12 December 2018
Compliance with ethical standards
: The scientific guarantor of this publication is Dr. Julie Cox.
: The authors of this manuscript declare no relationships with any companies whose products or services may be related to the subject matter of the article.
: No complex statistical methods were necessary for this paper.
: Written informed consent was not required for this study because the participants were hospital staff, and written informed consent was waived by the Institutional Review Board.
: Institutional Review Board approval was obtained.
: • retrospective