Zhu, Xi
Wholey, Douglas R.
Cain, Cindy
Natafgi, Nabil
Funding for this research was provided by:
National Science Foundation (SES 0719257)
Article History
First Online: 25 May 2016
Compliance with Ethical Standards
:
: Xi Zhu and Douglas R. Wholey received the above-mentioned research grant from the National Science Foundation that supported the data collection for this study. 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. The study procedures were approved by the University of Minnesota’s Institutional Review Board. 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. The paper has not been presented at a meeting, and is not under consideration in any other peer-reviewed journals for publication.