Received: 26 January 2018
Accepted: 26 April 2018
First Online: 25 May 2018
Ethics approval and consent to participate
: Ethical approval was obtained from IRB (Institutional Review Board) BSMMU, Dhaka prior to commencement of the study; reference number BSMMU/2015/1011. Informed consent to participate in the study was obtained from all participants. All participants were informed about the objectives, methodology, and purpose of the study in an easily understandable way, and those who agreed to participate were required to provide verbal and written consent prior to entry.
: Verbal and written consent for publication was obtained from participate.
: All authors declare that:1. They have no non-financial interest that may be relevant to the submitted work.2. All authors confirm no other relationship with Probiotics International Ltd. (Protexin) whose.involvement in the study was confined to supply of Bio-Kult® probiotic and placebo capsules, review.of the draft manuscript and financial support for medical writing.
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