Transparency
Declaration of financial/other relationships
G.V. has disclosed that he received an honorarium from Grünenthal GmbH to attend this meeting. He has also been a chairman of Grünenthal’s International CHANGE PAIN Advisory Board since June 2009, and receives honoraria in this context.
CMRO peer reviewers may have received honoraria for their review work. The peer reviewers on this manuscript have disclosed that they have no relevant financial relationships.
Acknowledgements
The authors thank Derrick Garwood Ltd, Cambridge, UK, for editorial support, which was sponsored by Grünenthal GmbH, Aachen, Germany.