About the Authors

Michihiko Sugimoto

Affiliation Technology and Development Team for Mammalian Cellular Dynamics, BioResource Center, RIKEN Tsukuba Institute, Tsukuba, Ibaraki, Japan

Kuniya Abe

To whom correspondence should be addressed. E-mail: abe@rtc.riken.jp

Affiliation Technology and Development Team for Mammalian Cellular Dynamics, BioResource Center, RIKEN Tsukuba Institute, Tsukuba, Ibaraki, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

MS and KA conceived and designed the experiments and wrote the paper. MS performed the experiments and analyzed the data.