Text and Data Mining valid from 2018-11-13
First Online: 13 November 2018
Compliance with Ethical Standards
: Sharlet Rafacz declares that she has no conflict of interest, Ramona Houmanfar declares that she has no conflict of interest, Greg Smith declares that he has no conflict of interest, and Mike Levin declares that he has no conflict of interest.
: All procedures performed in this study 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.
: Informed consent was obtained from all individual participants included in the study.