Prevalence of chronic head, neck and low back pain and associated factors in women residing in the Autonomous Region of Madrid (Spain) Silvia Jiménez-Sánchez, César Fernández-de-las-Peñas, Pilar Carrasco-Garrido, Valentín Hernández-Barrera, Cristina Alonso-Blanco, Domingo Palacios-Ceña, Rodrigo Jiménez-García

Perceived discrimination and self-rated health in the immigrant population of the Basque Country, Spain Elena Rodríguez-Álvarez, Yolanda González-Rábago, Luisa N. Borrell, Nerea Lanborena

Hepatitis B virus infection and vaccine-induced immunity in Madrid (Spain) Ana María Pedraza-Flechas, Luis García-Comas, María Ordobás-Gavín, Juan Carlos Sanz-Moreno, Belén Ramos-Blázquez, Jenaro Astray-Mochales, Santiago Moreno-Guillén