Gaffey, Ann C.
Chen, Carol W.
Chung, Jennifer J.
Han, Jason
Bermudez, Christian A.
Wald, Joyce
Atluri, Pavan
Article History
Received: 31 July 2017
Accepted: 22 January 2018
First Online: 13 February 2018
Ethics approval and consent to participate
: The University of Pennsylvania Institutional Review Board (IRB 7) approved this study for investigation.
: Not applicable
: The authors declare that they have no competing interests.
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