Baumgartner, A
Bargetzi, A
Zueger, N
Bargetzi, M
Medinger, M
Bounoure, L
Gomes, F
Stanga, Z
Mueller, B
Schuetz, P
Article History
Received: 25 July 2016
Revised: 5 October 2016
Accepted: 17 October 2016
First Online: 9 January 2017
Competing interests
: PS and ZS have received research grants from Nestle and Abbott. All other authors declare no conflict of interests.