Dr Larry & Evelyn Ward (USA)
e-mail : l&eward@lantic.net

Mr Fred Echthuizen (Netherlands)
e-mail : r.b.b.@12move.nl

Dr Richard Kruetzfeldt (Germany)
e-mail : drrkr@t-online.de

Mr Luc de Donder (Belgium)
e-mail : lucdedonder@skynet.be