- Correspondence to Augusto Caraceni, European Palliative Care Research Center, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, via Venezian 1-20133 Milano Italy, and Norwegian University of Science and Technology (NTNU), Trondheim, Norway;
- Received December 28, 2011
- Accepted January 17, 2012
- First published February 29, 2012.
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