Hiroki Den

7PUBLICATIONS
18CO-AUTHORS
NeonatologyEpidemiological methodsDisease surveillanceEpigenetics (incl. genome methylation and epigenomics)Forensic epidemiology
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Publications (7)

|Jun 26, 2026
Association Between Donor Human Milk Initiation Timing and Necrotizing Enterocolitis, Mortality, and Feeding Outcomes in Very-Low-Birth-Weight Infants: A Multicenter Retrospective Cohort Study Using Two Japanese Registries.

|Jan 27, 2026
Epidemiological study of colovesical fistula as a complication of colonic diverticulitis in Japan: an analysis of claims data.

Shunsuke Omotaka, Hiroki Den, Takenori Yamauchi

|Jan 25, 2026
Comparison of Influenza Epidemic Trends Based on a Large-scale Claims Database and National Infectious Disease Surveillance in Japan.

Takenori Yamauchi, Hiroki Den, Shouhei Takeuchi

|May 05, 2025
Analysis of the conditions for applying BRCA genetic testing to women with breast cancer using the Japanese HBOC consortium and the Japanese organization of hereditary breast and ovarian cancer (JOHBOC) registry project database.

Masato Takahashi, Yuko Minoura, Hiroki Den

|Mar 08, 2024
A nationwide epidemiological study of testicular torsion: Analysis of the Japanese National Database.

Aya Hiramatsu, Hiroki Den, Masashi Morita

|May 13, 2022
Differences in age at diagnosis of ovarian cancer for each BRCA mutation type in Japan: optimal timing to carry out risk-reducing salpingo-oophorectomy.

Masayuki Sekine, Takayuki Enomoto, Masami Arai

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Frequent Collaborators

2 joint publications

Masami Arai

2 joint publications

Seigo Nakamura

1 joint publications

Masayuki Sekine

1 joint publications

Takayuki Enomoto