1. Division of Clinical Cell Therapy, United Centers for Advanced Research and Translational Medicine (ART), Tohoku University Graduate School of Medicine, Aoba-ku, Sendai, Japan
2. Sucampo Pharma, LLC, Chiyoda-ku, Tokyo, Japan
3. Department of Finemechanics, Graduate School of Engineering, Tohoku University, Aoba-ku, Sendai, Japan
4. Department of Ophthalmology, Tohoku University Graduate School of Medicine, Aoba-ku, Sendai, Japan