Funding for this research was provided by:
Text and Data Mining valid from 2019-01-23
Received: 29 August 2018
Accepted: 3 January 2019
First Online: 23 January 2019
Compliance with ethical standards
: Dr. Gibbs discloses funding from Humanscale. Drs. Perdomo, Kowalsky, Balzer and Mr. Taormina disclose no conflicts of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Written informed consent was obtained from all participants.