?:authorAffiliation
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[\'Department of Community Medicine, Faculty of Medicine, University of Colombo, Colombo, Sri Lanka.\', \'Department of Community Medicine, Faculty of Medicine and Allied Sciences, Rajarata University of Sri Lanka, Anuradhapura, Sri Lanka.\', \'Department of Community Medicine, Faculty of Medical Sciences, University of Sri Jayewardenepura, Nugegoda, Sri Lanka.\', \'Ministry of Health and Indigenous Medical Services, Colombo, Sri Lanka.\', \'National Institute of Infectious Diseases, Angoda, Sri Lanka.\', \'World Health Organization, Country Office, Colombo, Sri Lanka.\']
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