United Kingdom

• King's College London

• University of Central Lancashire

• University of Brighton

• Imperial College London, School of Medicine,Anesthesiology Laboratory

• Association of British Dispensing Opticians

• University of Birmingham

• University of Liverpool

Italy

• University of Turin Affiliated Hospital

Israel

• University of Pécs

Hungary

• Semmelweis University 

Switzerland

• Swiss Federal Institute of Technology Zurich

Sweden

• Lund University

• Linnaeus University, School of Health and Caring Sciences

Portugal

• University of Porto

Norway

• University of Troms

Romania

• Danubius University

Netherlands

• University of Amsterdam and  Free University of Amsterdam,Academic Center of Dentistry

France

• Université de Bourgogne

• Institut Superieur D'optique

• Essilor Interational

• Ecole d’Assas

Russia

• Kazan State Medical University

Germany

• Justus Liebig University Giessen

• OCULUS Corporation

• Carl Zeiss Vision International

Poland

• Medical Univerisity of Lublin

Belgium

• University of Liege

Belarus

• Belarusian State University

Austria

• Medical University of Graz

• University of Natural Resources and Applied Life Sciences Vienna

• Austrian Institute of Technology

• Geriatric Health Care Center Graz, Austria