Funding for this research was provided by:
Philanthropic Funds (N/A)
Received: 19 April 2018
Accepted: 29 May 2019
First Online: 7 June 2019
Ethics approval and consent to participate
: All procedures involving human participants were performed 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 study was approved by the institutional review board (IRB) of Arizona State University. A written informed consent was obtained from all individual participants included in the study prior to their participation.
: Not applicable.
: The authors that they have no competing interests.