National University of Singapore
Singapore

Universiti Putra Malaysia
Malaysia

University of Alabama
USA

Dalian University of Technology
china

Federal University of Rio de Janeiro
Brazil

Mechanical Engineering, College of Design and Engineering, National University of Singapore, Singapore.

ADA Forsyth Institute Cambridge
USA

Kent State University Stark Campus
USA

Institute of Chemistry and Materials Science, CNRS - UPEC
France

University of Catania
Italy

Applied Chemistry Research Center
Mexico

USDA Forest Service
USA

University of Salento
Italy

University of Wisconsin-Milwaukee
USA

Standford University
USA

California South University
USA

Harbin Institute of Technology
China