[1] Northwestern Univ, Feinberg Sch Med, Dept Med, Div Cardiol, Chicago, IL USA
[2] Amer Fdn Suicide Prevent, New York, NY USA
[3] Northwestern Univ, Feinberg Sch Med, Dept Surg, Div Cardiac Surg, Chicago, IL USA
[4] Visionary Ensights LLC, Atlanta, GA USA