Text and Data Mining valid from 2018-06-01
Received: 23 May 2016
Accepted: 9 May 2018
First Online: 11 June 2018
: Patents describing the device documented in this article have been filed with the US Patent Office. W.W., E.T.R., H.O.N., G.P.D., C.J.W. and D.J.M. are inventors of the following patent application: U.S. 15/557,353. The other authors declare no competing interests.