Changes

In total we have 8 sessions from 8 presenters, spread over 4 days with 49 required readings and 83 recommended readings. Of the 83 recommended readings, 2 are required by other presenters, and a further 5 are duplicates, giving a total of 76 distinct additional readings. Approximately 40% of the required readings and 15% of the recommended readings are written by the presenter- the percentage is indicated in brackets for each section.