| Affiliation: | 1. Regional Anesthesiology and Acute Pain Medicine, Department of Anesthesiology, Duke University Medical Center, 2301 Erwin Road, Durham, NC 27710, USA;2. Department of Anesthesiology, Duke University Medical Center, 2301 Erwin Road, Durham, NC 27710, USA;1. Department of Anaesthesiology and Intensive Care Medicine, University Hospital Freiburg, Freiburg 79106, Germany;1. Universidade Federal de São Paulo, Departamento de Psicobiologia, São Paulo, SP, Brazil;2. Universidade Federal de São Paulo, Departmento de Dermatologia, São Paulo, SP, Brazil;3. Universidade de São Paulo, Instituto de Biociência, Departamento de Fisiologia, São Paulo, SP, Brazil;1. Guy''s & St Thomas'' NHS Foundation Trust, London, UK;2. St Mary''s Hospital, Imperial College Healthcare NHS Trust, London, UK |
