1. Department of Psychiatry, Hospital Universitario de Navarra, Pamplona,
Spain. Instituto de Investigación Sanitaria de Navarra (IdiSNA),
Pamplona, Spain
2. Bioaraba Health Research Institute, Osakidetza Basque Health Service,
Araba Mental Health Network, Araba Psychiatric Hospital, Vitoria-Gasteiz,
Spain
3. Navarrabiomed-HUN-UPNA, Unidad de Metodología. Instituto de
Investigación Sanitaria de Navarra (IdiSNA), Pamplona,
Spain
4. Department of Anaesthesiology, Hospital Universitario de Navarra,
Pamplona, Spain
5. Central and North West London NHS Foundation Trust, UK
6. London North West University Healthcare NHS Trust, UK