Text and Data Mining valid from 2019-05-14
Received: 3 October 2018
Accepted: 15 March 2019
First Online: 14 May 2019
Ethics approval and consent to participate
: Our study was approved by the Human Resource Ethics Committee of Hospital Universiti Sains Malaysia (USM/JEPeM/16020058) which complies with the Declaration of Helsinki. All patients were asked to read and then sign the written consent forms before study participation. All methods were performed in accordance with the relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no competing interests. Cover page including all authors affilliations.
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