Brasil

São Carlos, São Paulo, Brasil

China

Jinan, Shandong, China

Finland

Oulu, Finland
Turku, Finland

France

Germany

Kiel, Germany

Italy

Florence, Italy
Pisa, Italy
Povo, Trento, Italy

Mexico

Netherlands

Groningen, Netherlands

Portugal

Russia

Spain

Switzerland

Geneva, Switzerland

Taiwan

Nankang, Taipei, Taiwan
Nankang, Taipei, Taiwan

Turkey

USA

College Park, MD, USA
Honolulu, HI, USA