1Department of Econometrics, Statistics and Applied Econometrics, Riskcenter-IREA, Universitat de Barcelona (UB), Avinguda Diagonal 690, 08034 Barcelona, Spain
2Centre de Recerca Matemàtica, Universitat Autònoma de Barcelona (UAB), 08193 Cerdanyola del Vallès, Spain
3Departament de Matemàtiques, Universitat Autònoma de Barcelona (UAB), Edifci C, Campus de Bellaterra, 08193 Cerdanyola del Vall̀es, Spain
4Research group on Psychosocial risks, Organization of Work and Health (POWAH), Universitat Autònoma de Barcelona (UAB), Cerdanyola del Vallès, Spain
5Unitat de Bioestadística, Facultat de Medicina, Universitat Autònoma de Barcelona, Cerdanyola del Vallès, Spain
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