1. Institute of Mechanical, Process and Energy Engineering, School of Engineering and Physical SciencesHeriot‐Watt University Edinburgh UK
2. Servicio de Oncología MédicaHospital 12 de Octubre Madrid Spain
3. Edinburgh Urological Cancer Group, Division of Pathology Laboratories, Institute of Genetics and Molecular MedicineWestern General Hospital, The University of Edinburgh Edinburgh UK
4. Department of Urology, NHS LothianWestern General Hospital Edinburgh UK