[1] Univ Michigan, 1415 Washington Hts, Ann Arbor, MI 48109 USA
[2] Columbia Univ, 1255 Amsterdam Ave, New York, NY 10027 USA
[3] Yale Univ, 60 Coll St, New Haven, CT 06510 USA
[4] Univ Detroit Mercy, 4001 W McNichols Rd, Detroit, MI 48221 USA
[5] Univ Southern Calif, 3351 Trousdale Pkwy, Los Angeles, CA 90089 USA
[6] Case Western Reserve Univ, 10900 Euclid Ave, Cleveland, OH 44106 USA