Kawut, Steven M.; Bagiella, Emilia; Lederer, David J.; Shimbo, Daichi; Horn, Evelyn M.; Roberts, Kari E.; Hill, Nicholas S.; Barr, R. Graham; Berman Rosenzweig, Erika S.; Post, Wendy; Tracy, Russell P.; Palevsky, Harold I.; Hassoun, Paul M.; Girgis, Reda E.; ASA-STAT Study Group