Funding for this research was provided by:
Received: 17 November 2018
Accepted: 3 May 2019
First Online: 7 June 2019
Ethics approval and consent to participate
: The protocol of the study was approved by the Ethics Committee of the Medical Research Institute, Sri Lanka (Project No. 42/2016) for analysis of heavy metals in food items and Sri Lanka Medical Association (ERC/17–011) for the blood lead analysis.Informed prior consent was obtained in written format from each subject and additional written proxy consent obtained from the subjects if they were under 18 years of age for inclusion in to the study.
: The manuscript does not contain any individual person’s data in any form.
: The authors declare that they have no competing interests.
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