[1] Univ Penn, Perelman Sch Med, Div Breast Surg, Dept Surg, Philadelphia, PA 19104 USA
[2] Penn Med, Rena Rowan Breast Ctr, Abramson Canc Ctr, Philadelphia, PA USA
[3] Abramson Canc Ctr, Penn Ctr Canc Care Innovat, Philadelphia, PA USA
[4] Univ Penn, Leonard Davis Inst Hlth Econ, Philadelphia, PA 19104 USA
[5] Johns Hopkins Univ, Sch Med, Dept Surg, Div Acute Care Surg, Baltimore, MD USA
[6] Johns Hopkins Univ, Sch Med, Dept Emergency Med, Baltimore, MD USA
[7] Johns Hopkins Univ, Sch Med, Dept Anesthesiol & Crit Care Med, Baltimore, MD USA
[8] Johns Hopkins Bloomberg Sch Publ Hlth, Dept Hlth Policy & Management, Baltimore, MD USA
[9] Vet Affairs Boston Hlth Care Syst, Dept Surg, Boston, MA USA
[10] Boston Univ, Boston Med Ctr, Dept Surg, Boston, MA USA
[11] Harvard Med Sch, Brigham & Womens Hosp, Boston, MA USA