1. Revenue Management—Operations Research American Airlines Fort Worth Texas 76155 USA
2. Operations & Decision Technologies Indiana University Bloomington Indiana 47405 USA
3. Robert D. and Patricia E. Kern Center for the Science of Health Care Delivery Mayo Clinic Rochester Minnesota 55902 USA
4. Management Studies University of Michigan–Dearborn Dearborn Michigan 48126 USA
5. Industrial & Operations Engineering University of Michigan Ann Arbor Michigan 48109‐2117USA