The iPSC lines generated in this study are publicly available through the WiCell Research Institute depository for the NHLBI Next Generation Genetic Association Studies Consortium collection (Table S1 includes the designations): http://www.wicell.org/home/stem-cell-lines/catalog-of-stem-cell-lines/collections/nhlbi-next-gen-rader.cmsx. Further information and requests for resources and reagents should be directed to and will be fulfilled by the Lead Contact, Kiran Musunuru (kiranmusunuru@gmail.com).