Affiliation: | Consultant in Anaesthesia and Pain Medicine, The Manchester and Salford Pain Centre, Salford Royal NHS Foundation Trust, Stott Lane, Eccles, Salford M6 8HD, UK, Tel: +44 161 2064103, Fax: +44 161 2061929;Regional Anaesthesia and Pain Medicine Fellow, Salford Royal NHS Foundation Trust, Salford, UK |