About the Authors

Sajeeva Ranaweera

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Validation, Writing – original draft, Writing – review & editing

Affiliation Sri Lanka Medical Association, Colombo, Sri Lanka

Hemantha Amarasinghe

Roles Conceptualization, Data curation, Formal analysis, Investigation, Validation, Writing – original draft

Affiliations Sri Lanka Medical Association, Colombo, Sri Lanka, Ministry of Health, Nutrition and Indigenous Medicine, Institute of Oral Health, Maharagama, Sri Lanka

Nadeeka Chandraratne

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Writing – original draft, Writing – review & editing

nadkamil@yahoo.com

Affiliation Sri Lanka Medical Association, Colombo, Sri Lanka

Montarat Thavorncharoensap

Roles Conceptualization, Formal analysis, Funding acquisition, Methodology, Validation, Writing – review & editing

Affiliation Department of Pharmacy, Faculty of Pharmacy, Mahidol University, Bangkok, Thailand

Thushara Ranasinghe

Roles Conceptualization, Data curation, Funding acquisition, Methodology, Project administration, Supervision, Validation, Writing – review & editing

Affiliation World Health Organization Country Office, Colombo, Sri Lanka

Sumudu Karunaratna

Roles Methodology, Validation, Writing – review & editing

Affiliation Ministry of Health, Nutrition and Indigenous Medicine, Colombo, Sri Lanka

Dinesh Kumara

Roles Formal analysis, Software

Affiliation Ministry of Health, Nutrition and Indigenous Medicine, National Authority on Tobacco and Alcohol, Battaramulla, Sri Lanka

Benjarin Santatiwongchai

Roles Funding acquisition, Project administration, Resources, Writing – review & editing

Affiliation Health Intervention and Technology Assessment Program, Ministry of Public Health, Nonthaburi, Thailand

Usa Chaikledkaew

Roles Funding acquisition, Investigation, Methodology, Resources, Writing – review & editing

Affiliation Department of Pharmacy, Faculty of Pharmacy, Mahidol University, Bangkok, Thailand

Palitha Abeykoon

Roles Conceptualization, Funding acquisition, Project administration, Validation, Writing – review & editing

Affiliation Ministry of Health, Nutrition and Indigenous Medicine, National Authority on Tobacco and Alcohol, Battaramulla, Sri Lanka

Amala De Silva

Roles Conceptualization, Data curation, Formal analysis, Methodology, Resources, Supervision, Validation, Writing – review & editing

Affiliation University of Colombo, Colombo, Sri Lanka

Competing Interests

The authors have declared that no competing interests exist.