1. Health Information System Service, Agència de Salut Pública de Barcelona, Barcelona, Catalunya, Spain
2. Department of Experimental and Health Sciences, Universitat Pompeu Fabra, Barcelona, Spain
3. Department of Health Sciences, Mid Sweden University, Östersund, Sweden
4. Health Quality Assessment and Information System Service, Dirección General de Programas Asistenciales, Las Palmas de Gran Canaria, Spain
5. CIBER Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
6. Stress Research Institute, Department of Psychology, Stockholm University, Stockholm, Sweden