Peer Reviewers 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 2015 Juan Carlos Alfonso MS, Cuba Lázaro Alfonso MD, Cuba Miguel Almaguer MD MS, Cuba Rodrigo Alvarez-Cambras MD PhD DrSc, Cuba Esteban Arellano MD MS, Mexico Roberto Balmaseda MD, Cuba María del Carmen Barroso MD, Cuba Beatriz Basabe PhD, Cuba Jorge Bergado MD PhD, Cuba Antonio Bianchi PhD, Argentina Mariano Bonet MD, Cuba Ana María Calderón de la Barca PhD, Mexico Rolando Camacho MD PhD, Cuba Charo Cantera de Frutos MD, Spain José Carnot MD, Cuba Mayra Carrasco MD MS, Cuba Karla Carrazco-Peña MD, Mexico Elizabeth Castañeda PhD, Colombia Pastor Castell-Florit MD PhD DrSc, Cuba Joan Caylá MD, Spain Fátima Coronado MD MPH, USA Ariel Depetris MD, Argentina Zoe Díaz PhD, Cuba Enrique Díaz de León MD PhD, Mexico Félix Dickinson MD PhD, Cuba Alberto D’Ottavio MD PhD, Argentina Amílcar Duquesne MD MS, Cuba Alfredo Espinosa MD PhD DrSc, Cuba Amparo Escribano MD, Spain Dabney Evans MPH PhD, USA Jaime Fandiño MD, Colombia Oscar Feo MD, Venezuela Heriberto Fernández MD, Chile Reina Fleitas PhD, Cuba Mónica García MD PhD, Ecuador Bárbara Garea PhD, Cuba Mayra Garí MD, South Africa Estela Gispert MD PhD, Cuba Alejandro Goldberg MS PhD, Argentina Lázaro Gómez MD, Cuba Manuel Gómez MS PhD CIH, USA Antonio González MD, Cuba Gonzalo González MS PhD, Cuba Julio César González MD MS, Cuba Salvador González-Pal MD, Cuba Fernando Grondona MD, Cuba Joel Gutiérrez MD, Cuba Raúl Gutiérrez MD MS, Mexico Mohamed Rashid Haffajee MB ChB FRCS, South Africa Anel Hernández MS, Cuba Carlos Enrique Hernández MD, El Salvador Francisco Hernández MD MS, Cuba Víctor Hernández PhD, Mexico Ricardo Hodelín MD MS PhD, Cuba Robert Huish MA PhD, Canada C. William Keck MD MPH FACPM, USA John Kirk MD, Canada Silvia Kochen MD, Argentina Gloria Lara MD MS, Cuba Jazmín López MD PhD, El Salvador Luis Lecha PhD, Cuba Luis López MS, Colombia MEDICC Review, January–April 2016, Vol 18, No 1–2 Dinys Luciano MD, USA Maria Elena Macías PhD, Cuba Perea Martínez-Carpio MD, Spain Pedro Más MD PhD, Cuba Elaine Matos, Brazil Jorge Menéndez MD, Cuba Lenina Menocal MS, Cuba Melissa Mercadante, Mexico Guillermo Mesa MD, Cuba Luis Alberto Meza, Peru Minerva Montero, Cuba Leonor Mora MS, Venezuela Javier F. Nieto MD MPH PhD, USA Larry Niño PhD, Colombia Nidia Nolla MD MS, Cuba Cecilia Orellana MS, Chile Carolina Ortiz MS, Colombia Paulo Ortiz PhD, Cuba Jacinta Otero MD, Cuba Nino Pagliccia MS, Canada Eduardo Pentón MD PhD, Cuba Nancy Pérez PhD, Cuba Néstor Pérez-Lache MD PhD DrSc, Cuba Marta Pernas MD PhD, Cuba Regino Piñeiro MD PhD, Cuba Gisela Pita MD MS, Cuba María Josefa Pla MD, Cuba Albia Pozo MD PhD, Cuba Frank Quintana MD MS, Cuba Raydel Reyes MD, Cuba Alexandre Ribó PhD, El Salvador Armando Rodríguez MS, Cuba Ismael Rodríguez MD, Mexico Francisco Rojas-Ochoa MD PhD, Cuba Esther Roldán, Spain Diana Rubio-León MS PhD, Colombia Manuel Santín MD MS, Cuba Graciela Serra MD, Argentina Nuria Solá MD, Spain Patricia Solís, Argentina Ileana Sorolla PhD, Cuba Ramón Suárez MD MS, Cuba Donald Sutherland MD MS, Canada Luc Timmermans MD, Belgium Sadamoudu Traore MD, USA Carmen Valenzuela MS, Cuba Silvia Venero MD MS, Cuba Fernando Vio MD MPH, Chile We also thank the following colleagues for their valuable review of research methodology and statistical data in manuscripts submitted to MEDICC Review during 2015: Lila Castellanos PhD DrSc, chemist Gisele Coutin MD MS, biostatistician Iván Cuevas MD MS MPH, epidemiologist Esther María Fajardo MS, biologist Eloísa Le Riverend MS, biologist Pedro López MD PhD, clinical biochemist Consuelo Macías PhD, biochemist Natacha Rivera PhD, psychologist Silvio Soler MS, biostatistician 5