Smith, Derek K.
Smith, Loren E.
Billings, Frederic T. IV
Blume, Jeffrey D.
Article History
Received: 11 August 2017
Accepted: 5 December 2017
First Online: 28 December 2017
Ethics approval and consent to participate
: This study was approved by the Vanderbilt University IRB #120372.
: NA
: The authors declare that they have no competing interests.
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