Kafumbe, Dr Damascus (series Co-editor) (1) Treier, Daniel J. (1) Kerekfy, Marton (1) Borenstein, Michael (biostat Inc, Hedges, Larry V. (northwestern University, Higgins, Julian P. T. (medical Research Council, Rothstein, Hannah R. (baruch College (1) Abu Ma'shar, Al-qabisi (1)