1. Pontificia Universidad Católica de Chile, School of Medicine, Department of Family Medicine. Alameda 340, Santiago, Chile, PO 8331150
2. Pontificia Universidad Católica de Chile, School of Medicine, Department of Public Health. Alameda 340, Santiago, Chile, PO 8331150
3. Pontificia Universidad Católica de Chile, Nursing School. Alameda 340, Santiago, Chile, PO 8331150
4. Department of Mental Health, Ministry of Health, Santiago, Chile