Jowell, Ashley
Wulfovich, Sharon
Kuyan, Sianga
Heaney, Catherine
Funding for this research was provided by:
Stanford University
Article History
Received: 29 December 2017
Revised: 9 May 2018
Accepted: 23 May 2018
First Online: 4 June 2018
Compliance with ethical standards
:
: 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 Stanford University Research Committee and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in this study. The Stanford Institutional Review Board gave human subjects approval in April 2016.