Study design
BLIND
Randomized, single blind, superiority trail, and multi-centric experimental study design were employed. The principal investigator invited all postgraduate medical specialties from different postgraduates’ schools through telegram group and email and all interested candidates registered with specific code. Then, eligibility of the participants was screened. Once the participants screened for eligibility, independent person randomly allocated the candidate into interventional group and waitlisted the control group. The allocation of the participant concealed from the principal investigator and participants, and the training delivered for intervention group before the control group. The training was adopted from previous validated and delivered courses [