Siersbæk, Majken
Varticovski, Lyuba
Yang, Shutong
Baek, Songjoon
Nielsen, Ronni
Mandrup, Susanne
Hager, Gordon L.
Chung, Jay H.
Grøntved, Lars
Article History
Received: 21 September 2016
Accepted: 5 December 2016
First Online: 10 January 2017
Competing interests
: The authors declare no competing financial interests.