Open Access Highly Accessed Pre-publication history

Risk factors for asthma and allergy associated with urban migration: background and methodology of a cross-sectional study in Afro-Ecuadorian school children in Northeastern Ecuador (Esmeraldas-SCAALA Study)

Philip J Cooper*, Martha E Chico, Maritza G Vaca, Alejandro Rodriguez, Neuza M Alcântara-Neves, Bernd Genser, Lain Pontes de Carvalho, Renato T Stein, Alvaro A Cruz, Laura C Rodrigues and Mauricio L Barreto

BMC Pulmonary Medicine 2006, 6:24  doi:10.1186/1471-2466-6-24

Pre-publication versions of this article and reviewers' reports

Original Submission - Version 1 Manuscript 18 Aug 2006
Editor's comment Editor's comment 08 Sep 2006
Editorial acceptance 08 Sep 2006
Published 13 Sep 2006