Arntzen, Erik
Nartey, Richard K.
Fields, Lanny
Article History
First Online: 9 April 2018
Compliance with Ethical Standards
:
: The authors declare that there is no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards 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.