Twin volunteer registration

Please contact the below address to receive our information package.

  • Persons under 20 years of age need written permission from their parent or guardian.
  • We do accept registrations from single twins, but please take into account that the presence of both twins may be required for participating in some research projects.


Any personal information provided by you will be strictly maintained according to the regulations of the Osaka University.

Contact information

Center for Twin Research,
Osaka University Graduate School of Medicine
1-1 Yamadaoka
Suita-shi, Osaka
565-0871 Japan
TEL: +816-6879-2556
FAX: +816-6879-2557