Corrections Angel Lanas, University of Zaragoza 31 May 2011 The following typographical mistakes have been detected in the text, and should read this: 1. The majority (92,5%) had one or more GI risk factor and 60,3% were defined to be at high GI risk 2. All data were collected in one single day (25th March 2009) in all participating centers 3. Overall, only 7.5% of patient had no GI risk factors Competing interests None declared
Corrections
31 May 2011
The following typographical mistakes have been detected in the text, and should read this:
1. The majority (92,5%) had one or more GI risk factor and 60,3% were defined to be at high GI risk
2. All data were collected in one single day (25th March 2009) in all participating centers
3. Overall, only 7.5% of patient had no GI risk factors
Competing interests
None declared