Document is current

Article History

Received: 8 February 2016

Accepted: 26 May 2016

First Online: 5 July 2016

Compliance with Ethical Standards

:

: The authors declare that they have 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.

: This article does not contain any studies with animals performed by any of the authors.

: The return of a completed survey was considered to indicate consent to participate, as per institutional ethics committee guidance.