Delegation and consultation on operational and tactical issues : Any difference in their potentialities for a healthier psychosocial work environment? - Llorens-Serrano, Clara (Universitat Autònoma de Barcelona. Grup Psychosocial risks, Organization of Work and Health (POWAH)) ; Salas Nicás, Sergio (Universitat Autònoma de Barcelona. Grup Psychosocial risks, Organization of Work and Health (POWAH)) ; Navarro Giné, Albert (Universitat Autònoma de Barcelona. Grup Psychosocial risks, Organization of Work and Health (POWAH)) ; Moncada i Lluís, Salvador 1957- (Instituto Sindical de Trabajo, Ambiente y Salud)