Gora Adj <gora.adj@gmail.com>, <gora.adj@udl.cat>,
Jesús-Javier Chi-Domínguez <jesus.chidominguez@tuni.fi>, <chidoys@gmail.com>, <jjchi@computacion.cs.cinvestav.mx>
Francisco Rodríguez-Henríquez <francisco@cs.cinvestav.mx>.
Jacob Appelbaum <j.appelbaum@tue.nl>
Leif Ryge <leif@synthesize.us>
