Argentina:

• Dr. Roberto de Arbelaiz, Hospital Aleman, Pueyrredon 1640, Ciudad de Buenos Aires, CP 1118 - EMail: dearbelaiz@intramed.net.

Germany:

• Deutsches Zentrum fuer Luft und Raumfahrt

• Dr. med Wiater, Krankenhaus Porz/Rhein, Kinderklinik Koeln.

• Prof. Dr. Riemann, Universitaetsklinik fuer Psychiatrie und Psychosomatik Freiburg.

• Dr. A. Mohr, Klinik Koenigshof, Krefeld.

Japan:

• Research Institute, National Rehabilitation Center for Persons with Disabilities, 4-1 Namiki, Tokorozawa-City, Saitama-Pref., 359-8555 JAPAN

Kanada:

• Electrical and Computer Engine, Hector J MacLeod Bldg, Vancouver BC V6T 1Z4 Canada

Russland:

• Institute HNA and Neurophysiologie, Moskow

Turkey:

• Dr. Baki Goksan, Noropol EEG and Sleep Research Center, Nisantasi / Istanbul.

USA:

• Brain Sciences Center (11B), University of Minnesota, 1 Veteran's Drive, Minneapolis, MN 55417