Hiller, Alex
Woodall, Tony
Article History
Received: 8 December 2016
Accepted: 15 June 2018
First Online: 29 June 2018
Compliance with Ethical Standards
:
: Alex Hiller declares that he has no conflict of interest. Tony Woodall declares that he has no conflict 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.
: Informed consent was obtained from all individual participants included in the study.