1. Estera Igras, Optegra Eye Health Care Laser Clinic, Mickiewicza Street 140, 71-153 Szczecin, Poland
2. Optegra Eye Health Care Laser Clinic, 61-101 Poznan, Poland
3. Department of Geriatric Medicine, Mercy University Hospital, Grenville Place, T12 WE28 Cork, Ireland
4. Clinical Research Facility Cork, University College Cork, Mercy University Hospital, T12 WE28 Cork, Ireland