1. Laboratory of Experimental Cardiology, Department of Cardiology, Leiden University Medical Center (LUMC), the Netherlands (E.C.A.N., C.I.B., W.H.B., A.A.F.d.V., D.A.P.).
2. Department of Microelectronics, Delft University of Technology, the Netherlands (T.J., G.Z., R.H.P.).