Open AccessCommunication by Nathan D. Donahue 1,†, Ellen A. Vance 1,†, Vinit Sheth 1, Emmy R. Francek 1 and Stefan Wilhelm 1,2,3,* 1 Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, OK 73019, USA 2 Institute for Biomedical Engineering, Science, and Technology (IBEST), Norman, OK 73019, USA 3 Stephenson Cancer Center, The University of Oklahoma Health Science Center, Oklahoma City, OK 73104, USA * Author to whom correspondence should be addressed.