1. Centro di Ricerca Clinica e Laboratorio per il Glaucoma e la Cornea, DiNOG, Clinica Oculistica University of Genova, Azienda Ospedaliera Universitaria San Martino, Genova, Italy.
2. Santen Oy, Clinical Research, Helsinki, Finland.
3. University of Kuopio, Kuopio, Finland.
4. University of Tampere and Tampere University Hospital, Tampere, Finland.