Department of Parasitology and Institute of Medical Education, Hallym University College of Medicine, Chuncheon, Korea.
Copyright © 2018 Korean Diabetes Association
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CONFLICTS OF INTEREST: No potential conflict of interest relevant to this article was reported.
Study design | No. of articles | IRB approval | IRB no. | Informed consent | Clinical trial no. | Conflict of interest |
---|---|---|---|---|---|---|
Case-control study | 2 | 1 | 1 | 2 | NA | 2 |
Cross-sectional study | 1 | 1 | 1 | 1 | NA | 1 |
Prospective observational study | 1 | 1 | 1 | 1 | NA | 1 |
Questionnaire survey | 2 | 2 | 1 | 2 | NA | 2 |
Retrospective chart review | 3 | 3 | 3 | 2 (1 waived) | NA | 3 |
Total | 9 | 8 | 7 | 8 (1 waived) | NA | 9 |
IRB, Institutional Review Board; NA, not available.