University of Pittsburgh

Oklahoma State University

University of Tripoli

University of Tripoli

Penn State University

The Pennsylvania State University

Purdue University

Yıldız Teknik Üniversitesi / Yildiz Technical University

Penn State University

Michigan Technological University

University of Pittsburgh

State University of New York at Buffalo

State University of New York at Buffalo

Tongji University

Georgia Institute of Technology

Ohio Northern University

Penn State University

Central Queensland University, Rockhampton, Australia

University of Pittsburgh