Table 1. Structure of the workshop for physicians on writing letters to the editor.

Timing	Time	Content
Prior to workshop	13 min	Pre-class movie  Falsificationism  Checking “author information”  Example of a “letter to the editor”   https://youtu.be/mQ8BXtw_cVI
	About 60 min	Read the article *
Workshop	15 min 20 min 10 min 20 min 15 min 5 min	Lecture: Risk of bias and confounding Groupwork: Sharing critiques Lecture: Example of a “letter to the editor”    How to write in English Groupwork: Writing a letter in Japanese Presentation of each group’s work Wrap-up
Post workshop		Submission

^*Graham, K. L., Auerbach, A. D., Schnipper, J. L., Flanders, S. A., et al. (2018), Preventability of Early Versus Late Hospital Readmissions in a National Cohort of General Medicine Patients, Annals of Internal Medicine,168(11), p. 766. https://doi.org/10.7326/M17-1724.