Participants will be separated into two groups, one workshop and one workbook group. Among all registrants (by initial online announcement of CDM workshop and onsite invitation of CDM workshop -snow ball recruitment ), participants will be randomly assigned to two different group first then principle investigator will inform again them about their group with information sheet and informed consent form to have agreement to join the study from one group. Intervention group will have Clinical Decision Making (CDM) workshop while workbook group will be provided by the Clinical Decision Making (CDM) workbook without attending workshop and onsite interaction.