1. Scottish Centre for Simulation and Clinical Human Factors, Forth Valley Royal Hospital , Larbert, FK5 4WR , United Kingdom
2. Centre for Medical Education, University of Edinburgh , Edinburgh, EH16 4SA , United Kingdom
3. Medical Directorate, NHS Education for Scotland , Edinburgh, EH3 9DN , United Kingdom
4. Medical Education Directorate, NHS Lothian , Edinburgh, EH4 2XU , United Kingdom