Shea, Lindsay L.
Xie, Ming
Turcotte, Paul
Marcus, Steven
Field, Robert
Newschaffer, Craig
Mandell, David
Article History
First Online: 7 April 2018
Compliance with Ethical Standards
:
: All authors declare no conflicts of interest.
: This research was approved by the University of Pennsylvania IRB. 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.