Caracena, Jose, Bethers, Bruce R (2) Aish, Fiona, Tomlinson, Jo (2) Borenstein, Michael (biostat Inc, Hedges, Larry V. (northwestern University, Higgins, Julian P. T. (medical Research Council, Rothstein, Hannah R. (baruch College (1) Reddy, P Venugopal, Lakshmi, M. (1) Hammer, Gary, Mcphee, Stephen (1)