A Zegard (Presenting Author) – Aston University, Birmingham, UK; O Okafor – Aston University, Birmingham, UK; J DeBono – Queen Elizabeth Hospital, Birmingham, UK; R Steeds – Queen Elizabeth Hospital, Birmingham, UK; L Hudsmith – Queen Elizabeth Hospital, Birmingham, UK; B Stegemann – Medtronic Inc, Maastricht, The Netherlands; A Jani – Queen Elizabeth Hospital, Birmingham, UK; H Marshall – Queen Elizabeth Hospital, Birmingham, UK; B Holloway – Queen Elizabeth Hospital, Birmingham, UK; Qiu – Aston University, Birmingham, UK; F Leyva – Aston University, Birmingham, UK