Peer Reviewers 2012 All original 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 2012: Anselmo Abdo MD PhD, Cuba Enrique Abraham MD MS, Cuba Gladys Abreu MD PhD, Cuba José Acosta MD MS PhD, Cuba Sonia Águila MD, Cuba Alina Alerm MD PhD, Cuba Miguel Almaguer MD, Cuba Omar Alonso MD, Uruguay Juan Álvarez MD, Cuba Helen Anyoti MD, Canada Carlos Aragonés MS, Cuba Manuel Araña MD PhD, USA Yolanda Arango MD, Colombia Raúl Araujo MD, Bolivia Esteban Arellano MD, Mexico Leticia Artiles PhD, Cuba Esther Báez MD MS, Cuba Arlety Barazal RN PhD, Cuba Evangelina Barranco MD, Cuba Esmeralda L. Burbano MPH, PAHO, USA José Enrique Cabrera MD, PAHO, USA José Carnot MD, Cuba Bertha Lidia Castro MD, Cuba Ana Margarita Clúa MS, Cuba José F. Cordero MD PhD, Puerto Rico Fátima Coronado MD MPH, USA María Cristina Davini MS PhD, Argentina Arquímides Díaz MD PhD, Cuba Guillermo Díaz MD, Cuba Félix Dickinson MD PhD, Cuba Germán Espino MD, USA María Espino MS PhD, Cuba Sara Fernández PhD, Spain Yuriem Fernández MS, Cuba Ricard Ferrer MD PhD, Spain Reina Fleitas PhD, Cuba Hermes Fundora MD MS, Cuba Mayra Garí MD, South Africa Alicia González PhD, Cuba Ubaldo González PhD, Cuba Silvia Gorban de Lapertosa MD, Argentina Claudia Gutiérrez MD, Colombia María Victoria Guzmán MS PhD, Cuba Roberto Guzmán MS, Cuba Luis R. Hernández MD, Guatemala Manuela Herrera MD PhD, Cuba Lidia de Isaacs MD, Panama Nadia Labaut MD MS, Cuba María Teresa Lemus MD, Cuba Emigdio J. León MD, Cuba Francisco J. León MS, Chile Olga S. León PhD, Cuba Gabriel M. Listovsky, PAHO, USA Miguel Lugones MD, Cuba José Luño MD PhD, Spain Calixto Machado MD PhD DrSc, Cuba Ana Paulina Malvassi MS PhD, Costa Rica Alexander Mármol MD, Cuba Ivonne Marrero MD MS, Cuba Atilano Martínez MD, Cuba Jesús Martínez LLB MS, Cuba Pablo Massari MD, Argentina Horacio Meza MD, México Terry Mitchell MD, Canada León Morales MD MS, USA Edelisa Moredo MD MS, Cuba Francisco L. Moreno MD, Cuba Fred Morgan MD, Mexico Norma Mur RN PhD, Cuba Daisy Navarro MD PhD, Cuba Rolando Neri MD, Mexico Nidia Nolla MD, Cuba Rosaida Ochoa MD, Cuba Miriam Ojeda MD PhD, Spain Juan P. Oliva MD PhD, Cuba Cecilia Orellana MS, Chile Guillermo Ortiz MD, Colombia Nino Pagliccia MS, Canada Valia Pavón MD, Cuba César Paz y Miño MD, Ecuador Albadio Pérez MD MS PhD, Cuba Christina Pérez PhD, USA Julia Pérez PhD, Cuba Jorge F. Pérez-Oliva MD PhD, Cuba Marta Pernas MD MS, Cuba Julio Pozuelos MD, Guatemala Daniel J. Piñeiro MD, Argentina Juan Prohías MD, Cuba Paula Remoaldo PhD, Portugal Susan Rifkin MD, United Kingdom Carlos del Risco MD MS, Cuba Francisco Rojas MD PhD, Cuba Juan Rosas MD, Mexico José A. Ruiz, Mexico Jacqueline Salgado RN MS, Chile Carolina Santa María MD, Costa Rica Dámaso Sanz MD, Spain Elena Schwolsky-Fitch RN MPH, USA María del Carmen Sellán RN PhD, Spain Norma Serrano MD, Colombia Gustavo Sierra MD PhD, Cuba Maria Cecilia de Souza MS PhD, Brazil Ronald St. John MD MPH, Canada Nery Suárez PhD, Cuba Priscila Torres MD, Cuba Sadamoudu Traore MD, USA Silvia Turcios MD, Cuba Aristidis Veves MD DSc, USA Agustín Vicedo MD, Cuba María Vidal MS, Cuba Eugenio Villar MD, WHO, Switzerland We would also like to thank the following colleagues for their invaluable review of research methodology and statistical data in manuscripts submitted to MEDICC Review during 2012: Héctor Bayarre MD PhD, biostatistician Giselle Coutin MD MS, biostatistician Iván Cuevas MD MS MPH, epidemiologist Joel Dubin PhD, statistician Esther María Fajardo MS, biologist Eloisa Le Riverend MS, microbiologist Minerva Nogueira MD MS, physician Natacha Rivera PhD, psychologist Martha Ruben MD PhD, microbiologist Silvio Soler MS, biostatistician 6 MEDICC Review, January 2013, Vol 15, No 1