1. Centre for Stem Cells and Regenerative Medicine Faculty of Life Sciences and Medicine King's College London 28th Floor, Tower Wing, Guy's Hospital London SE1 9RT UK
2. The Francis Crick Institute 1 Midland Road London UK
3. St John's Institute of Dermatology Guy's Hospital London UK
4. Okinawa Institute of Science and Technology Graduate University Okinawa 904‐0495 Japan