Leal, Ana Rita
Cruz, Rui
Bur, Daniel
Huesgen, Pitter F.
Faro, Rosário
Manadas, Bruno
Wlodawer, Alexander
Faro, Carlos
Simões, Isaura
Article History
Received: 3 November 2015
Accepted: 15 March 2016
First Online: 31 March 2016
Competing interests
: The authors declare no competing financial interests.