[1] Icahn Sch Med Mt Sinai, One Gustave L Levy Pl, New York, NY 10029 USA
[2] Vanderbilt Univ, Sch Med, Nashville, TN USA
[3] Columbia Univ Coll Phys & Surg, 630 W 168th St, New York, NY 10032 USA
[4] Philadelphia Coll Osteopath Med, Philadelphia, PA USA
[5] Thomas Jefferson Univ, Sidney Kimmel Med Coll, Philadelphia, PA 19107 USA
[6] Univ Colorado, Sch Med, Boulder, CO 80309 USA
[7] Dartmouth Coll, Geisel Sch Med, Hanover, NH 03755 USA