1. Gerard Leavey Assistant Director R&D, Barnet, Enfield and Haringey Mental Health NHS Trust, St Ann's Hospital, St Ann's Road, London, N15 3TH, United Kingdom. .
2. Alexia Papageorgiou Lecturer of Communication Skills, University of East Anglia, School of Medicine Health Policy & Practice, Norwich, NR4 7TJ, United Kingdom. .
3. Chris Papadopoulos Research Student Tutor, Middlesex University, School of Health and Social Sciences, Enfield Campus, EN3 4SA, United Kingdom. .