Wiss, David A.
Brewerton, Timothy D.
Article History
Received: 31 August 2016
Accepted: 16 November 2016
First Online: 10 December 2016
Compliance with ethical standards
:
: The author Wiss declares that he has no conflict of interest. The author Brewerton 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.