After publication of the article it was noted that we inadvertently failed to include the complete list of authors. The full list, including co-authors, has now been added and the Authors' contributions section modified accordingly.
GIE conceived the study. GIE, CH, KAA and OC contributed to the study design and implementation. GIE, TB, OC and KJA performed the statistical analysis. GIE, TB, OC, KAA, KJA and CH participated in data interpretation. GIE, KJA, KAA, OC, TB and CH drafted the manuscript. TB, KJA, KAA, OC and CH provided critical review of the article. All authors read and approved the final manuscript.
BMC Clin Pharm 2012, 12:7. BioMed Central Full Text
The pre-publication history for this paper can be accessed here: