Wickramasinghe, Sashimali http://orcid.org/0000-0003-4216-4233
Gunawardena, Nalika Sepali
Punyadasa, Dhanusha
Gunawardena, Shanthi
Wickramasinghe, Champika
Lokubalasooriya, Ayesha
Peiris, Renuka
Senanayake, Sameera
Funding for this research was provided by:
World Health Organisation
Article History
Received: 12 May 2020
Accepted: 4 November 2020
First Online: 12 November 2020
Ethics approval and consent to participate
: The study is in accordance with Helsinki Declaration. The ethical clearance to conduct the study was received from Faculty of Medicine, University of Colombo, Sri Lanka (EC-16-184). Written informed consent was obtained from all parents/guardians prior to participation in the study and filling out the questionnaires. The form of consent was approved by the ethics committee.
: Not applicable.
: The authors declare that they have no competing interest.