3 Roche Pharma Research and Early Development, Roche Innovation Center Basel, 4070, Basel, Switzerland.
4 Laboratory of Biosensors and Bioelectronics, Institute for Biomedical Engineering, ETH Zurich, 8092, Zurich, Switzerland. janos.voros@biomed.ee.ethz.ch.
5 Roche Pharma Research and Early Development, Roche Innovation Center Basel, 4070, Basel, Switzerland. christof.fattinger@roche.com.