Trisha Greenhalgh (Author) Professor Trisha Greenhalgh is a GP and internationally recognised academic who works as a senior professor at the University of Oxford and has appeared on Woman's Hour and The Today Programme. She is the author of over 400 academic papers and 15 textbooks, including the bestselling book How to Read a Paper: The Basics of Evidence-Based Medicine. Liz O’Riordan (Author) Liz O'Riordan is a Consultant Oncoplastic Surgeon who blogs about her experiences as a doctor and patient here: liz.oriordan.co.uk. She has written articles for the Huffington Post, Macmillan, The Pool and Grazia. Her TEDx talk is called ‘Jar of Joy’.