1. Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo 113‑8655, Japan
2. Cancer Cell Diversity Project, NEXT‑Ganken Program, Japanese Foundation for Cancer Research, Tokyo 135‑8550, Japan
3. Division of Integrative Genomics, Graduate School of Medicine, The University of Tokyo, Tokyo 113‑8655, Japan
4. Department of Molecular Biology, Sapporo Medical University School of Medicine, Sapporo 060‑8556, Japan