Updates are available Correction dated 2018-02-27

Article History

Received: 26 September 2017

Accepted: 1 February 2018

First Online: 10 February 2018

Change Date: 27 February 2018

Change Type: Correction

Change Details: Unfortunately, after publication of this article (Chan and Ramli 2018), it was noticed that the Results section within the abstract was incomplete.

Authors’ information

: KW Chan holds a PhD majoring in analytical chemistry with a focus on drug analysis and drug profiling. He was a practicing forensic chemist in narcotic enforcement laboratory for more than 8 years. Currently, he works as a forensic researcher, a position that allows him to actively develop instrumental methods for the testing of illicit substances for narcotic and toxicological cases.SH Ramli holds a diploma in industrial chemistry. She has had years of laboratory experience in handling narcotic cases. She now works as a research assistant to provide technical assistance in the fields of forensic and water analysis.

: Not applicable.

: Not applicable.

: The authors declare that they have no competing interests.

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