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)

Karolinska Institutet (Stockholm, Sweden)

Hacettepe University Hospital (Ankara, Turkish)