David Gentilcore is Professor of Early Modern History at the University of Leicester, UK. He is the author of Pomodoro! (2010) and Medical Charlatanism in Early Modern Italy (2006). Author affiliation details are correct at time of print publication.

Matthew Smith is Professor of Health History at the University of Strathclyde’s Centre for the Social History of Health and Healthcare, UK. He is the author of An Alternative History of Hyperactivity (2011), Hyperactive (2012) and Another Person’s Poison (2015). Author affiliation details are correct at time of print publication.