Hacettepe University Hospital (Ankara, Turkish)

Hadassah University Hospital (Jerusalem, Israel)

John Radcliffe Hospital (Oxford, UK)

Purpan University Hospital (Toulouse, France)

San Raffaele Scientific Institute (Milan, Italy)

SERBIA - BISS, University of Belgrade, Belgrade.

University Lyon-1, Lyon University Hospital (Lyon, France)

DENMARK - University of Southern Denmark, Odense.

GREECE - Hellenic Pasteur Institute, Athens.

PORTUGAL - Hospital S. Joao, Porto.