University of LiverpoolUK
Friedrich-Alexander Universität Erlangen-NürnbergGermany
University of Western OntarioCanada
Aldo Moro University of BariItaly
University of FloridaUSA
Aristotle University of ThessalonikiGreece
University of IasiRomania
University of BelgradeSerbia
Universidad Central de ChileChile
Universiti Teknologi MARAMalaysia
Alexandru Ioan Cuza University of IasiRomania