1. Department of Health Chemistry Graduate School of Pharmaceutical Sciences University of Tokyo Tokyo Japan
2. Departments of Biochemistry and Molecular Biology and Ophthalmology and Visual Sciences Centre for Macular Research University of British Columbia Vancouver BC Canada
3. Department of Pharmacology Osaka Medical College Takatsuki‐city Osaka Japan
4. Lipid Biology Laboratory RIKEN Wako‐shi Saitama Japan
5. Pathological Cell Biology Laboratory Graduate School of Pharmaceutical Sciences University of Tokyo Tokyo Japan