All original scientific articles appearing in MEDICC Review are subject to double-blind international peer review. MEDICC Review is indebted to the following colleagues for their collaboration as peer reviewers in 2009:

Lázaro Alfonso, MD, Cuba
Caridad Almarales, DDS, MS, Cuba
Leylan Arellano, DDS, PhD, Venezuela
Elisa Bandera, MD, PhD, United States
María del Carmen Barroso, MD, Cuba
Mariano Bizzarri, MD, PhD, Italy
Hiram Castillo, MD, PhD, Guatemala
Laura Censi, PhD, Italy
Adriana Crivelli, MD, Argentina
Ricardo de la Vega, MS, Spain
María Elena Díaz, PhD, Cuba
Oscar Díaz, MD, Cuba
José E. Fernández-Britto, MD, PhD, Cuba
María de los Angeles Fernández, MD, Spain
Enrique Garcés de los Fayos, PhD, Spain
Alexandre García, PhD, Spain
Débora García, MD, Cuba
Raúl Gutiérrez, MD, MS, Mexico
Dulce María Hernández, MD, Mexico
Luis Hernández, MD, Guatemala
Scott Howard, MD, MS, United States
Fernando Jiménez, MD, Spain
Gustavo Kliger, MD, Argentina
Olga Sonia León, PhD, Cuba
Lydia Lera, PhD, Chile
Beatriz Marcheco, MD, PhD, Cuba
Monika Metzger, MD, United States
Manuel Monleón, PhD, Spain
Carmen Rosa Moreno, MD, Cuba
Edgar Muñoz, MS, United States
Daisy Navarro, MD, PhD, Cuba
Jorge Ojeda, MD, PhD, México
Jorge Ortiz, MD, Cuba
Ramón Ortiz, MD, Cuba
Rosa María Ortiz, DDS, PhD, Cuba
César Paz-y-Miño, MD, Ecuador
Tamilia Peña, MD, Venezuela
Regino Piñeiro, MD, Cuba
Julio Pozuelos, MD, Guatemala
Gloria Premoli, DDS, MS, PhD, Venezuela
Mirtha Prieto, MD, Cuba
Juan Prohías, MD, Cuba
Edgar Rodríguez, MD, Mexico
Miguel Angel Rodríguez, MD, PhD, Cuba
Nábora Rondón, MS, Venezuela
Daniela Rubin, MA, PhD, United States
Silvia Salva, MD, Cuba
Sergio Santana, MD, Cuba
Manuel Santín, MD, Cuba
Miguel Sarduy, MD, PhD, Cuba
Gustavo Sierra, MD, PhD, Cuba
José Raúl Siret, PhD, Cuba
Jorge Soriano, MD, Cuba
José Carlos Ugarte, MD, PhD, Cuba
José Vargas, MD, Cuba
Silvia Venero, MD, Cuba
Haim Werner, PhD, Israel

We would also like to thank the following colleagues for their invaluable review of research methodology and statistical data in articles submitted to MEDICC Review for publication during 2009:

Miguel Almaguer, MD, PhD, epidemiologist
Iván Cuevas, MD, MS, MPH, epidemiologist
Luis Izquierdo, MS, biostatistician
Silvio Soler, MS, biostatistician