Report of the National Heart, Lung, and Blood Institute Working Group on Sex Differences Research in Cardiovascular Disease: Scientific Questions and Challenges. Issue 5 (May 2016) - Maric-Bilkan, Christine; Arnold, Arthur P.; Taylor, Doris A.; Dwinell, Melinda; Howlett, Susan E.; Wenger, Nanette; Reckelhoff, Jane F.; Sandberg, Kathryn; Churchill, Gary; Levin, Ellis; Lundberg, Martha S.