Krishnan, Gopal
Peytcheva, Marietta
Article History
Received: 27 January 2017
Accepted: 25 August 2017
First Online: 11 September 2017
Compliance with Ethical Standards
:
: The first author declares that he has no conflict of interest. The second author declares that she 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 Declaration of Helsinki and its later amendments or comparable ethical standards.
: This article does not contain any studies with animals performed by any of the authors.
: Informed consent was obtained from all individual participants included in the study.