Kotb, Ahmed Fouad http://orcid.org/0000-0002-1484-1332
Spaner, Shelley
Crump, Trafford
Hyndman, Matthew Eric http://orcid.org/0000-0002-2924-7109
Article History
Received: 16 February 2018
Accepted: 15 May 2018
First Online: 28 May 2018
Compliance with ethical standards
:
: The authors have no conflict of interest to declare.
: 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.
: For this type of study formal consent is not required.