Funding for this research was provided by:
National Science Foundation (1308144, 1308163, 1308149, 1308080, and 1308200)
Text and Data Mining valid from 2019-10-07
Received: 23 August 2018
Accepted: 27 August 2019
First Online: 7 October 2019
Ethics approval and consent to participate
: Procedures followed were in approved by and in accordance with the ethical standards of the Institutional Review Board (IRB) at Texas A&M University Division of research. All participants signed consent forms. IRB ID: IRB2013-0435D—Reference Number: 069613.
: The authors declare that they have no competing interests.