ESRA Boardof Directors

President: S. Gligorijevic, SwitzerlandSecretary General: N. Rawal, Sweden

Treasurer: J. De Andres, SpainF. Singelyn, Belgium/Luxemburg

P. Narchi, FranceH. Wulf, Germany

N. Denny, Great Britain and IrelandE. Argyra, Greece

G. Ivani, ItalyR. Stienstra, Netherlands

T. Mogensen, Nordic CountriesE. Mayzner-Zawadzka, Poland

D. Correia, PortugalI. Yegul, Turkey

The opinions or views expressed in this professional education supplement are those of the authors and donot necessarily reflect the opinions or recommendations of the European Society of Regional Anaesthesia andPain Therapy.

Dosages, indications, and methods of use for products that are referred to in the supplement by the authorsmay reflect their clinical experience or may be derived from the professional literature or other clinicalsources. Because of the differences between in vitro and in vivo systems and between laboratory animalmodels and clinical data in humans, in vitro and animal data may not necessarily correlate with clinicalresults.