Anne-Marie Beguin, Evelyne Malaquin-Pavan, Claudine Guihaire, Anne-Marie Hallet-Lezy, Sandrine Souchon, Vanessa Homann, Petra Zöllner, Maximilian Swerev, Rüdiger Kesselmeier, Fridmann Hornung and Hans Smola*
* Corresponding author: Hans Smola hans.smola@hartmann.info
BMC Geriatrics 2010, 10:86 doi:10.1186/1471-2318-10-86