Gophna, Uri
Kristensen, David M
Wolf, Yuri I
Popa, Ovidiu
Drevet, Christine
Koonin, Eugene V
Article History
Received: 14 August 2014
Revised: 24 November 2014
Accepted: 8 January 2015
First Online: 24 February 2015
Competing interests
: The authors declare no conflict of interest