1 Department of Biomedical Engineering, Faculty of Health, Medicine & Life Sciences, Maastricht University, PO Box 616, NL 6200 MD Maastricht, The Netherlands. Electronic address: y.wang@maastrichtuniversity.nl.
2 Department of Physiology, Faculty of Health, Medicine & Life Sciences, Maastricht University, The Netherlands. Electronic address: d.molin@maastrichtuniversity.nl.
3 Department of Physiology, Faculty of Health, Medicine & Life Sciences, Maastricht University, The Netherlands. Electronic address: nvdakker@maastrichtuniversity.nl.
4 Department of Biomedical Engineering, Faculty of Health, Medicine & Life Sciences, Maastricht University, PO Box 616, NL 6200 MD Maastricht, The Netherlands; Department of Biomedical Engineering, Faculty of Engineering, Malaya University, Kuala Lumpur, Malaysia. Electronic address: l.koole@maastrichtuniversity.nl.