Acknowledgements

This free course was collaboratively written by Cherry Lim, Chris Painter and Ilias Kounatidis, and reviewed by Corrado Minetti, Koen Pouwels, Rachel McMullan, Heidi Hopkins and Dan Whitaker.

Except for third party materials and otherwise stated (see terms and conditions), this content is made available under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence.

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: Katka/Pixabay

Figures 1–4: World Health Organization

Figure 5: Planemad, CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0) via Wikimedia Commons

Every effort has been made to contact copyright holders. If any have been inadvertently overlooked the publishers will be pleased to make the necessary arrangements at the first opportunity.