1.   Ando E, Morisaki N, Asakura K, et al. Association between dietary intake and serum biomarkers of long-chain PUFA in Japanese preschool children. Public Health Nutr 2020 Aug 4:1-11. doi: 10.1017/S1368980019004269.

2.   Aoki T, Ito H, Ogura T, Hirata A, Nishiwaki Y, Kameda H. Association of age with the non-achievement of clinical and functional remission in rheumatoid arthritis. Sci Rep 2020;10:15277. doi: 10.1038/s41598-020-72274-2.

3.    Asakura K, Etoh N, Imamura H, Michikawa T, Nakamura T, Takeda Y, Mori S, Nishiwaki Y. Vitamin D status in Japanese adults: Quantitative relationship of serum 25-hydroxyvitamin D with simultaneously measured dietary vitamin D intake and ultraviolet ray exposure. Nutrients 2020;12:743.

4.    Eto N, Asakura K, Nishiwaki Y. Relationships between Solar Ultraviolet Exposure Levels atDifferent Sites around the Body. Toho J Med 2020;6:30-40.

5.    Fujii T, Daimon K, Fujita N, Yagi M, Michikawa T, et al. Risk factors for postoperative distal adding-on in Lenke type 1B and 1C and its influence on residual lumbar curve. J Pediatr Orthop 2020;40:e77-e83.

6.    Fujita N, Michikawa T, Miyamoto A, et al. Lumbar spinal surgery improves locomotive syndrome in elderly patients with lumbar spinal canal stenosis: A multicenter prospective study. J Orthop Sci 2020;25:213-218.

7.     Fujita N, Ishihara J, Michikawa T, et al. Potential association of metabolic and musculoskeletal disorders with lumbar intervertebral disc degeneration: Cross-sectional study using medical checkup data. J Orthop Sci 2020;25:384-388.

8.     Hasunuma H, Takeuchi A, Ono R, Amimoto Y, Hwang YH, Uno I, Shimizu A, et al. Effect of Asian dust on respiratory symptoms among children with and without asthma, and their sensitivity. Sci Total Environ 2021;753:141585. doi:10.1016/j.scitotenv.2020.141585.

9.     Hashizume M, Kim Y, Ng CFS, Chung Y, Madaniyazi L, Bell ML, Guo YL, Kan H, Honda Y, Yi SM, Kim H, Nishiwaki Y. Health effects of Asian dust: A systematic review and meta-analysis. Environ Health Perspect 2020;128:66001. doi: 10.1289/EHP5312.

10. Imamura H, Uchiyama E, Akiyama M, Kaneko I, Takebayashi T, Nishiwaki Y. Relationship of living arrangement with the decline in functional capacity in elderly people by gender: a longitudinal observational study. Environ Health Prev Med 2020;25:15. doi: 10.1186/s12199-020-00853-w.

11. InaderaH, TakamoriA, MatsumuraK, Tsuchida A, CuiZG, HamazakiK, TanakaT, ItoM, KigawaM, OrigasaH, MichikawaT, et al. Association of blood cadmium levels in pregnant women with infant birth size and small for gestational age infants: The Japan Environment and Children’s Study. Environ Res 2020;191:110007. 

12. Kojima S, Michikawa T, Matsui K, et al. Association of fine particulate matter exposure with bystander-witnessed out-of-hospital cardiac arrest of cardiac origin in Japan. JAMA Netw Open 2020;3:e203043. 

13. Michikawa T, Yamazaki S, Shimizu A, Nitta H, Kato K, Nishiwaki Y, Morokuma S. Exposure to Asian dust within a few days of delivery is associated with placental abruption in Japan: a case-crossover study. BJOG 2020;127:335-342.

14. Michikawa T, Yamazaki S, Suda E, et al. Does overweight before pregnancy reduce the occurrence of gastroschisis?: The Japan Environment and Children’s Study. BMC Res Notes 2020;13:47. 

15. Michikawa T, Nitta H, Sekiyama M, et al. Maternal intake of one-carbon metabolism-related B vitamins and anorectal malformations in the Japan Environment and Children’s Study. Br J Nutr 2020;124:865-873.

16. Murakami K, Shinozaki N, Livingstone MBE, Fujiwara A, Asakura K, Masayasu S, Sasaki S. Characterisation of breakfast, lunch, dinner and snacks in the Japanese context: an exploratory cross-sectional analysis. Public Health Nutr 2020 Nov 10:1-13. doi: 10.1017/S1368980020004310.

17. Murakami K, Shinozaki N, Livingstone MBE, Fujiwara A, Asakura K, Masayasu S, Sasaki S. Meal and snack frequency in relation to diet quality in Japanese adults: a cross-sectional study using different definitions of meals and snacks. Br J Nutr 2020;124:1219-1228. doi: 10.1017/S0007114520002317.

18. Nakahara K, Michikawa T, Morokuma S, et al. Non-reassuring foetal status and sleep problems in 1-year-old infants in the Japan Environment and Children’s Study: A cohort study. Sci Rep 2020;10:11432. 

19. Nakahara K, Michikawa T, Morokuma S, et al. Association of maternal sleep before and during pregnancy with preterm birth and early infant sleep and temperament. Sci Rep 2020;10:11084.

20. Nakamura T, Nishiwaki Y, Hashimoto K, et al. Association between Asian dust exposure and respiratory function in children with bronchial asthma in Nagasaki Prefecture, Japan. Environ Health Prev Med 2020;25:8. doi: 10.1186/s12199-020-00846-9.

21. Nakayama SF, Isobe T, Iwai-Shimada M, Kobayashi Y, Nishihama Y, Taniguchi Y, Sekiyama M, Michikawa T, et al. Poly- and perfluoroalkyl substances in maternal serum: Method development and application in Pilot Study of the Japan Environment and Children’s Study. J Chromatogr A 2020;1618:460933.

22. Nishihama Y, Nakayama SF, Tabuchi T, Isobe T, Jung CR, Iwai-Shimada M, Kobayashi Y, Michikawa T, et al. Determination of urinary cotinine cut-off concentrations for pregnant women in the Japan Environment and Children’s Study (JECS). Int J Environ Res Public Health 2020;17:5537.

23. Oba MS, Murakami Y, Nishiwaki Y, Asakura K, et al. Estimated prevalence of Cronkhite-Canada Syndrome, Chronic Enteropathy Associated with SLCO2A1 Gene, and Intestinal Behçet's Disease in Japan in 2017: A Nationwide Survey. J Epidemiol 2020 Feb 22. doi: 10.2188/jea.JE20190349.

24. Okuda M, Asakura K, Sasaki S.Estimation of daily sodium and potassium excretion from overnight urine of Japanese children and adolescents. Environ Health Prev Med 2020;25:74. doi: 10.1186/s12199-020-00911-3.

25. Phung VLH, Ueda K, Seposo X, Takami A, Seiji S, Yoshino A, Michikawa T, et al. Hourly association between ambient PM2.5 and emergency ambulance dispatches in 11 cities in Japan. Environ Res 2020:185:109448. 

26. Sasaki M, Harada S, Tsubota K, Yasukawa T, Takebayashi T, Nishiwaki Y, Kawasaki R.Dietary Saturated Fatty Acid Intake and Early Age-Related Macular Degeneration in a Japanese Population. Invest Ophthalmol Vis Sci 2020;61:23. doi: 10.1167/iovs.61.3.23.

27. Shimmei K, Nakamura T, Ng CFS, Hashizume M, Murakami Y, Maruyama A, Misaki T, Okabe N, Nishiwaki Y. Association between seasonal influenza and absolute humidity: Time-series analysis with daily surveillance data in Japan. Sci Rep 2020;10:7764. doi: 10.1038/s41598-020-63712-2.

28. Sugai K, Michikawa T, Takebayashi T, Nishiwaki Y. Knee pain and future decline in higher-level functional competence in community-dwelling elderly Japanese: the Kurabuchi Cohort Study. Age Ageing 2020;49:592-598. 

29. Sugai K, Imamura H, Michikawa T, Asakura K, Nishiwaki Y. Awareness of locomotive syndrome and factors associated with awareness: a community-based cross-sectional study. Int J Environ Res Public Health 2020;17:7272. doi: 10.3390/ijerph17197272.

30. Sugimoto M, Murakami K, Fujiwara A, Asakura K, Masayasu S, Sasaki S.Association between diet-related greenhouse gas emissions and nutrient intake adequacy among Japanese adults. PLoS One2020;15:e0240803. doi: 10.1371/journal.pone.0240803.

31. Sugimoto M, Murakami K, Asakura K, et al.Diet-related greenhouse gas emissions and major food contributors among Japanese adults: comparison of different calculation methods. Public Health Nutr 2020 May 11:1-11. doi: 10.1017/S1368980019004750.

32. Sugiyama T, Ueda K, Seposo X, Nakashima A, Kinoshita M, Matsumoto H, Ikemori F, Honda A, Takano H, Michikawa T, Nitta H, Health effects of PM2.5 sources on children’s allergic and respiratory symptoms in Fukuoka, Japan. Sci Total Environ 2020;709:136023.   

33. Tajima R, Murakami K, Asakura K, et al. Snacking in Japanese nursery school children aged 3-6 years: its characteristics and contribution to overall dietary intake. Public Health Nutr 2020 May 11:1-10. doi: 10.1017/S1368980019005007.

34. Takeuchi A, Nishiwaki Y, Okamura T, Milojevic A, Ueda K, Asakura K, et al. Long-term exposure to particulate matter and mortality from cardiovascular diseases in Japan: The Ibaraki Prefectural Health Study (IPHS) J Atheroscler Thromb 2020 Jul 8. doi: 10.5551/jat.54148.

35. Taniguchi Y, Yamazaki S, Michikawa T, et al. Associations of dog and cat ownership with wheezing and asthma in children: Pilot Study of the Japan Environment and Children's Study. PLoS One 2020;15:e0232604.

36. Yoshii Y, Murakami K, Asakura K, Masayasu S, Sasaki S.A longer time spent at childcare is associated with lower diet quality among children aged 5-6 years, but not those aged 1.5-2 and 3-4 years: Dietary Observation and Nutrient intake for Good health Research in Japanese young children (DONGuRI) study. Public Health Nutr 2020 Dec 15:1-13. doi: 10.1017/S1368980020003286.

37. Yuan X, Murakami K, Asakura K, et al. Formulas developed based on the ratio of urea nitrogen to creatinine concentrations obtained from multiple spot urine samples are acceptable to predict protein intake at group level but not at individual level. Nutr Res 2020;78:50-59. doi: 10.1016/j.nutres.2020.04.004.

38. Yoshimura, M, Kitamura, S, Eto, N, Hida, A, Katsunuma, R, Ayabe, N, Motomura, Y, Nishiwaki, Y, Negishi, K, Tsubota, K, & Mishima, K. Relationship between Indoor Daytime Light Exposure and Circadian Phase Response under Laboratory Free-Living Conditions. Biological Rhythm Research. (Published online: 23 Jun 2020)
39.伊藤早苗, 朝倉敬子, 杉山賢明, 高倉実, 等々力英美. 沖縄県における小学生とその母親における随時尿より推定した食塩・カリウム摂取量の実態. 日本健康学会誌 2020;86:76-82.
40. 西脇祐司, 道川武紘. 黄砂の健康影響. 新薬と臨牀 2020;69:202-205. 
41. 西脇祐司. 炎症性腸疾患の疫学—海外と日本の動向は同じ? それとも違う? Pharma Medica 2020;38:9-12.
42. 西脇祐司. 炎症性腸疾患の疫学. Medical Practice 2020:37;1808-1812.