. 2015 Nov 23;5(1):167–174. doi: 10.1002/adhm.201500708
© 2015 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim
This article is being made freely available through PubMed Central as part of the COVID-19 public health emergency response. It can be used for unrestricted research re-use and analysis in any form or by any means with acknowledgement of the original source, for the duration of the public health emergency.