1. Society of Junior Doctors, Athens, Greece
2. Department of Internal Medicine, General Hospital of Kalavryta, Kalavryta, Greece
3. Medical School, University of Athens, Athens, Greece
4. Department of Neurology, General Hospital “Pammakaristos,” Athens, Greece
5. First Department of Paediatrics, “Aghia Sophia” Children’s Hospital, University of Athens, Greece
6. Faculty of Epidemiology and Population Health, London School of Hygiene & Tropical Medicine, London, United Kingdom