University of Miami, USA

University of Ottawa, Canada

Lawrence Berkeley National Laboratory, USA

University of Connecticut, USA

Hong Kong Polytechnic University, Hong Kong

Università Milano Bicocca, Italy

University of Tennessee Knoxville, USA

Jeju National University, South Korea

Shenzhen University, PR China

Sungkyunkwan University, South Korea

Baskent University, Turkey

University of Hertfordshire, UK

New Jersey Institute of Technology, USA

The University of Manchester, England

Gazi University, Turkey

Universidad Michoacana de San Nicolás de Hidalgo, México

City University of Hong Kong, Hong Kong

National Central University, Taiwan

University of Technology Malaysia, Malaysia

CNR-ITAE, Italy

Cape Peninsula University of Technology, South Africa

University of the Armed Forces-ESPE, Ecuador

Universiti Malaysia Perlis, Malaysia

University of Edinburgh, UK

University of Nottingham Malaysia, Malaysia

Technion - Israel Institute of Technology, Israel

Newcastle University, UK

Universiti Teknologi MARA, Malaysia

Universitas Negeri Medan, Indonesia