[1] AstraZeneca R & D Mölndal,Health Economics
[2] Astra Hässle AB,Biostatistics
[3] Astra Clinical Research Unit,Department of Medicine
[4] Krankenhaus Weibensee,Service d’hepato
[5] Hôpital Brabois,gastro
[6] Ospedale L. Sacco,enterologie
[7] C. S. ’La Fe’,Divisione di Gastroenterologia ed Endoscopia Digestiva
[8] Great Western Medical Centre,Servicio de Digestivo
[9] Medical Centre,General Practice
[10] St James’ Hospital,General Practice
[11] Astra Hässle AB,Department of Medicine and Gastroenterology
[12] Rotherham District General Hospital,Clinical Research Management