Funding for this research was provided by:
SBE Office of Multidisciplinary Activities (SMA-1328688)
Division of Graduate Education (DGE-1144083)
Social Science Research Council
University of Colorado Boulder
Text and Data Mining valid from 2019-06-27
Received: 10 April 2018
Revised: 6 May 2019
Accepted: 7 June 2019
First Online: 27 June 2019
Compliance with ethical standards
: The authors declare they have no conflicts of interest.
: All procedures performed in the study 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. Approval for the research was received from the University of Colorado Boulder Institutional Review Board (Protocol #12-0318).
: Informed consent was obtained from all individual participants included in the study.