[1
]
Department of Ophthalmology, Barzilai Medical Center, Ashkelon, Israel.
[2
]
Department of health science, Ben Gurion University, Be'er Sheva, Israel.
[3
]
Department of Ophthalmology, Rambam Health Care Campus, Haifa, Israel.
[4
]
Central Virology Laboratory, Ministry of Health, Chaim Sheba Medical Center, Ramat-Gan,
Israel.
[5
]
Department of Epidemiology and Preventive Medicine, School of Public Health, Sackler
Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel.