1 Douglas Sipp is a researcher at RIKEN and project professor at Keio University, Tokyo, Japan. [email protected].
2 Megan Munsie is an associate professor in the School of Biomedical Sciences, University of Melbourne, Parkville, Australia. [email protected].
3 Jeremy Sugarman is a professor in the Berman Institute of Bioethics and the School of Medicine, Johns Hopkins University, Baltimore, MD, USA. [email protected].