Author information:
(1)Institute for Human Genetics, University of California, San Francisco, CA, 
USA The Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell 
Research, University of California, San Francisco, CA, USA Department of 
Epidemiology and Biostatistics, University of California, San Francisco, CA, 
USA.
(2)The Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell 
Research, University of California, San Francisco, CA, USA Departments of 
Obstetrics and Gynecology and Pathology and Center for Reproductive Sciences, 
University of California, San Francisco, CA, USA Diabetes Center, University of 
California, San Francisco, CA, USA.
(3)The Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell 
Research, University of California, San Francisco, CA, USA Departments of 
Obstetrics and Gynecology and Pathology and Center for Reproductive Sciences, 
University of California, San Francisco, CA, USA Diabetes Center, University of 
California, San Francisco, CA, USA songj@illinois.edu.
(4)Institute for Human Genetics, University of California, San Francisco, CA, 
USA The Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell 
Research, University of California, San Francisco, CA, USA Department of 
Epidemiology and Biostatistics, University of California, San Francisco, CA, USA 
songj@illinois.edu.