Feature of the Month - Japan

Tokyo Women’s Medical University (TWMU)



Capital: Tokyo

Official languages: Japanese

Total population: 126,530,000

MOBI-Kids population: 1,800,000

Popular foods: sushi, sukiyaki

Tokyo Women’s Medical University was founded in 1900 by Yayoi Yoshioka. Her conviction that medicine is a suitable professional for women, and the philosophy that medical professional need to be sincere and compassionate. Traditionally our undergraduate schools have been kept as dedicated educational sites for women, whereas graduate school and hospitals are open to both genders. Our main hospital, located in Sinjuku, central of Tokyo, is one of the largest hospital complexes in Japan.


Dr. Naohito Yamaguchi, MD, National Principal Investigator:

Dr. Yamaguchi is Professor and Chairman in Department of Public Health at Tokyo Women’s Medical University. His research focuses cancer epidemiology since he was a former director at National Cancer Research Center.

Noriko Kojimahara, MD, National Field coordinator:

Noriko is Associate Professor in Department of Public Health at Tokyo Women’s Medical University. Her interest involves preventative medicine for both communicable and non-communicable diseases.  Although we had prepared to join MOBI-Kids study since 2010, our first interview needed to wait until June 2011 because of the Great East Japan Earthquake.


Dr. Kosuke Kiyohara, Mobi-Expo coordinator:

Kosuke is an assistant professor of Department of Public Health, Tokyo Women's Medical University. His major research area is epidemiology of out-of-hospital cardiac arrest. The interview survey of Mobi-Expo in Japan was completed at the end of 2014.

Tokyo Metropolitan University (TMU)

MOBI-Kids Japan was funded by Ministry of Internal Affairs and Communications of Japan

l  How did your centre become involved in MOBI-Kids?
Prof. Yamaguchi and Prof. Taki had participated in INTERPHONE Study, whereas Prof. Cardis assessed risk of mobile phone for adult brain tumors in this international case control study in early 2000’s. Although the study design of MOBI-Kids study was challenging in the Japanese medical system, we decided to continue to solve this issue among valuable young people.

l  What do you think is the most interesting part about MOBI-Kids?
To assess risk of mobile phone use is challenging, but their rapid increase among adolecence requres futher inquiry from academic and social interest.  Yet, participating a novel  international study like MOBI-Kids is definitely valuable.

MOBI-Kids Japan Team:

Interviewers and research assistants

From left, Mio, Setsuko, Naoko, and Mamiko


Epidemiology members:  

Prof. Yamaguchi and our colleagues

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