By Robert J. Earickson, Melinda S. Meade
By Devi Sridhar
By David Plotz
By Michael Harris (Associate Postgraduate Dean, Severn School of Primary Care, Bristol), Gordon Taylor (Reader in Medical Statistics, University of Bath), Daniel Jackson (University of Surrey, UK)
By David M. Murray (Professor of Epidemiology, Professor of Epidemiology, University of Minnesota School of Public Health, USA)
By Stephen B. Hulley, etc., Steven R. Cummings
By David Spiegelhalter, Anthony Masters
By the late William A. Silverman (formerly Professor of Paediatrics, formerly Professor of Paediatrics, Columbia University), David L. Sackett
By Michael Peckham, Richard Smith
By Richard K. Rondel, Sheila Varley, Colin F. Webb
By Brian S. Everitt
By Alejandro R. Jadad
By frank wells
By David Machin, Michael J. Campbell, Say Beng Tan, Sze Huey Tan
By Martin Underwood, etc., Hannaford, Slowther
By Walter C. Willett
By David Coggon, David Barker, Geoffrey Rose
By Heinz Stammberger, Michael Hawke
By Szende, Agota, Janssen, Bas, Cabases, Juan
By Hayat, M.A.
By Demchenko, Alexander P.
By Capco, David G., Chen, Yongsheng
By Pokorski, Mieczyslaw