Acknowledgements
The authors would like to thank Christian Kaiser from Richter-Helm Biologics, Hamburg, Germany, and Babatunde A. Ogunnaike,
University of Delaware for their support and for the detailed insight into their research.
KARL RIX, PHD, is the director of North American operations and MARTIN GROLMS is a technical editor in marketing and communications, both at DASGIP AG, Jülich, Germany, +49 (0)2461 980 121, m.grolms@dasgip.de
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