Jean-Marc Chevallier
Barbara Wahlen
William W. Blessing
Canada
Andrew George Blair
Workshop on Vascular Brain Stem Diseases (1988 Gütersloh, Germany)
Frank Oliver
Volker Mosbrugger
Henri M. Duvernoy
Leonard, Frank
Erik K. Fernström Symposium (1st 1981 Lund)
M. Steriade
Thomas P. Naidich