Executive summary: Clinical practice guidelines on the management of resistant tuberculosis of the Spanish Society of Pulmonology and Thoracic Surgery (SEPAR) and the Spanish Society of Infectious Diseases and Clinical Microbiology (SEIMC) Adrian Sanchez-Montalva; José Antonio Caminero; Mª Remedio Guna; Teresa Rodrígo Sanz; Ramón Rabuñal; Joan Pau Millet; José Antonio Gullón-Blanco; Luis Anibarro; Guillermo Perez-Mendoza; Juan Francisco Medina; Verónica González-Galán; Eva Tabernero;

Vitamin D and cathelicidin levels and susceptibility to Mycobacterium tuberculosis infection acquisition in household contacts Cinthya Ruiz-Tagle; Francisco Romero; Rodrigo Naves; María Elvira Balcells;

Unsuccessful tuberculosis-treatment in HIV-positive patients and associated factors Guillermo Bosch; Joan-Pau Millet; Àngels Orcau; Isabel Moreira; Carles Pericas; Lluïsa Forns; Isabel Marcos; Raquel Prieto; Anna Hernandez; Lídia Arranz; Cristina Rius;