Brandão, Fernando G. S. L.
Ramanathan, Ravishankar
Grudka, Andrzej
Horodecki, Karol
Horodecki, Michał
Horodecki, Paweł
Szarek, Tomasz
Wojewódka, Hanna
Article History
Received: 1 February 2016
Accepted: 16 March 2016
First Online: 21 April 2016
Competing interests
: The authors declare no competing financial interests.