Muhs, Amelia
Lyles, James T.
Parlet, Corey P.
Nelson, Kate
Kavanaugh, Jeffery S.
Horswill, Alexander R.
Quave, Cassandra L.
Article History
Received: 11 August 2016
Accepted: 9 January 2017
First Online: 10 February 2017
Competing interests
: C.L.Q. and J.T.L. are named inventors on a provisional patent application concerning the technology presented in this paper. The authors confirm that any competing interests do not alter their adherence to all the Nature Publishing Group policies on sharing data and materials.