Jeffrey Harding1, Kristina Vintersten-Nagy2, Andras Nagy3. 1. Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, ON M5T3H7, Canada. 2. panCELLa Inc., Toronto, ON, Canada. 3. Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, ON M5T3H7, Canada; Australian Regenerative Medicine Institute, Monash University, Melbourne, VIC 3800, Australia; Department of Obstetrics and Gynecology, University of Toronto, Toronto, ON M5G1E2, Canada; Institue of Medical Science, University of Toronto, Toronto, ON M5S1A8, Canada. Electronic address: nagy@lunenfeld.ca.