Funding for this research was provided by:
Imperial Oil Foundation
First Online: 28 January 2020
Compliance with Ethical Standards
: 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. Informed consent was obtained from all individual participants included in the study.
: The authors declare that they have no conflicts of interest.
: All opinions expressed in this paper are of the authors’ and are not endorsed by the National Science Foundation or the Imperial Oil Company.