Text and Data Mining valid from 2017-10-25
Received: 16 June 2017
Accepted: 6 October 2017
First Online: 25 October 2017
Ethics approval and consent to participate
: This analysis was deemed to be ‘Non-human subjects research’ by the Institutional Review Board of The George Washington University. Accordingly, it was determined that no further ethics review was required (by the mentioned review board).
: All authors provide full consent for publishing materials presented within this manuscript. Participant consent is not applicable in this case.
: The authors declare that they have no competing interests.