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Authors
Matthes, T
Manfroi, B
Zeller, A
Dunand-Sauthier, I
Bogen, B
Huard, B
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Article History
Received: 24 November 2014
Revised: 13 May 2015
Accepted: 3 June 2015
First Online: 19 June 2015
Competing interests
: The authors declare no conflict of interest.
