This free course was written by Caroline Heaney. It was first published in August 2019.
Except for third party materials and otherwise stated (see Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence.), this content is made available under a
The material acknowledged below is Proprietary and used under licence (not subject to Creative Commons Licence). Grateful acknowledgement is made to the following sources for permission to reproduce material in this free course:
Course image: marino bocelli; Shutterstock
Figure 1: tommaso79; Getty Images
Figure 3: FilippoBacci; Getty Images
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