Peking University
China

Polytechnic Institute of Lisbon
Portugal

University of Buffalo
USA

Polytechnic University
Hong Kong

City University of New York
USA

Inner Mongolia University of Technology
China

University of Technology
Australia

The University of New Mexico
USA

University of Calgary
Canada

Islamic Azad University
Iran

Universidad Veracruzana en Veracruz
Mexico

University of Zagreb
Croatia