Denolle, T
Chamontin, B
Doll, G
Fauvel, J-P
Girerd, X
Herpin, D
Vaïsse, B
Villeneuve, F
Halimi, J M
Article History
Received: 25 August 2015
Revised: 2 November 2015
Accepted: 16 November 2015
First Online: 28 January 2016
Competing interests
: The authors of these guidelines have several links of interest with manufacturers who sell health products. The authors declare that these recommendations have been developed independently of any commercial entity.