Koc University (Istanbul, Turkey)

VU Medical Center (Amsterdam, Netherlands)

Santa Lucia Foundation (Rome, Italy)

Inst. Experimental Immunology, University of Zürich (Zürich, Switzerland)

Medical University of Vienna (Vienna, Austria)

Hospital Universitari Vall d'Hebron (Barcelona, Spain)

San Raffaele Scientific Institute (Milan, Italy)

University of Thessaloniki (Thessaloniki, Greece)

Erasmus MC, Department of Neurology (Rotterdam, Netherlands)

Karolinska Institutet (Stockholm, Sweden)