Stone, Jonathan J.
Graffeo, Christopher S.
de Ruiter, Godard C.W.
Rock, Michael G.
Spinner, Robert J.
Article History
Received: 8 January 2018
Accepted: 16 January 2018
First Online: 25 January 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 institutional committee (Mayo Clinic Institutional Review Board) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: For this type of study, formal consent was not required.