The Editors wish to thank the following reviewers for their expert advice (2009).
Juan G. Abraldes
David H. Adams
Carlos A. Aguilar Salinas
Jorge Albores-Saavedra
Cosme Alvarado-Esquivel
Rajagopal N. Aravalli
Marco Arrese
Pierre Bedossa
Stefano Bellentani
Marina Berenguer
Lauren A. Beste
Franco Brunello
Savino Bruno
Maria Buti
Stephen Caldwell
Rodolfo H. Campos
Andrés Cárdenas
David Carmena
Raúl Carrillo Esper
Gilberto Castañeda-Hernández
Gustavo Castaño
Ramsey C. Cheung
Joaquin De la Peña
Juergen Drewe
Rowland J. Elwell
Isabel Fabregat
Robert A. Fisher
Silvia Franceschi
Carmelo García-Monzón
Edoardo G. Giannini
Nooman Gilani
Rosina Girones
William JH Griffiths
Edgardo Guibert
Smail Hadj-Rabia
Kasper H.N Hoebe
George Ioannou
Harry L. A. Janssen
Wladimiro Jiménez
Anastasios Koulaouzidis
José M. Ladero
Abraham Lemberg
Mike A. Leonis
Anne Lindblad
Joseph D. Losek
Gloria Manso
José Juan García Marín
Francesco Marotta
José M. Mato
Angelo Mattos
Constance Meier
George K. Michalopoulos
Søren Møller
Manuel Morales Ruiz
Grazia Niro
Valerio Nobili
Patrick G. Northup
Carla Osiowy
Kasi Pandima Devi
Giuseppe Paradies
Joseph F. Perz
Theresa C. Peterson
Robert H. Pierce
Amelie Plymoth
Amir A. Qamar
Manuel Ramos-Casals
Mario Rizzetto
Maribel Rodríguez-Torres
Marcelo G. Roma
Raymond A. Rubin
Patricia Sancho
Giorgio Saracco
David A. Sass
David F. Schaeffer
Erik B. Schmidt
Lars E. Schmidt
Mitchell L. Shiffman
Etienne M. Sokal
Alejandro Soza Ried
Felix Stickel
Ekkehard Sturm
Ilker Tasci
Rubén Terg
Rolf Teschke
Michael Torbenson
Karel J. Van Erpecum
Heike Varnholt
Claudio Velati
Diego Vergani
Mireille Viguier
Jen C. Wang
Heiner Wedemeyer
Florence Wong
Hariom Yadav
Eric M. Yoshida
Zobair M. Younossi
Alessandro R. Zanetti
Vassilis I. Zannis