Sahraravand, Ahmad http://orcid.org/0000-0002-3792-6371
Haavisto, Anna-Kaisa
Puska, Päivi
Leivo, Tiina
Article History
Received: 27 April 2019
Accepted: 18 November 2019
First Online: 6 December 2019
Compliance with ethical standards
:
: None of the following authors have any proprietary interests or conflicts of interest related to this submission: Ahmad Sahraravand, Anna-Kaisa Haavisto, Päivi Puska, and Tiina Leivo (all from Ophthalmology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland).
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.