Anesthesia; Functional

• Manuel Gómez-Ríos — A Coruña, Galicia, Spain
• Complexo Hospitalario Universitario de A Coruña — A Coruña, Spain

• Hospital La Línea — Cadiz, Spain

• 2nd Department of Anesthesiology, Attikon University Hospital — Athens, Attica, Greece

• Seoul National University Hospital — Seoul, South Korea

• Hospital Universiti Sains Malaysia (HUSM) — Kubang Kerian, Kelantan, Malaysia

Not specified

• Clinica Alemana de Santiago — Santiago, Santiago Metropolitan, Chile

• SNUH — Seoul, Jongro Gu, South Korea

Not specified

• University of Wisconsin School of Medicine and Public Health — Madison, Wisconsin, United States