K. Wells, Caring for Depression (RAND Study), pp.85-86, 1996.

R. Priest, C. Vize, A. Roberts, M. Roberts, and A. Tylee, Lay people's attitudes to treatment of depression: results of opinion poll for Defeat Depression Campaign just before its launch, BMJ, vol.313, issue.7061, pp.858-867, 1996.
DOI : 10.1136/bmj.313.7061.858

T. Francher and R. Kravitz, In the clinic, Depression, Ann Intern Med, pp.1-16, 2010.

F. Smit, A. Ederveen, P. Cuijpers, D. Deeg, and A. Beekman, Opportunities for Cost-effective Prevention of Late-Life Depression, Archives of General Psychiatry, vol.63, issue.3, pp.290-296, 2006.
DOI : 10.1001/archpsyc.63.3.290

L. Spangenberg, T. Forkmann, E. Brähler, and H. Glaesmer, The association of depression and multimorbidity in the elderly: implications for the assessment of depression, Psychogeriatrics, vol.61, issue.4, pp.227-261, 2011.
DOI : 10.1111/j.1479-8301.2011.00375.x

J. Bock, M. Luppa, C. Brettschneider, S. Riedel-heller, H. Bickel et al., Impact of Depression on Health Care Utilization and Costs among Multimorbid Patients ??? Results from the MultiCare Cohort Study, PLoS ONE, vol.40, issue.1, p.91973, 2014.
DOI : 10.1371/journal.pone.0091973.t004

G. Alexopoulos, Depression in the elderly, The Lancet, vol.365, issue.9475, pp.1961-70, 2005.
DOI : 10.1016/S0140-6736(05)66665-2

A. Gabilondo, G. Vilagut, A. Pinto-meza, J. Haro, and A. J. , Comorbidity of major depressive episode and chronic physical conditions in Spain, a country with low prevalence of depression, General Hospital Psychiatry, vol.34, issue.5, pp.510-517, 2012.
DOI : 10.1016/j.genhosppsych.2012.05.005

K. Demyttenaere, Functional disability as an explanation of the associations between chronic physical conditions and 12-month major depressive episode, J Affect Disord, vol.124, issue.12, pp.38-44, 2010.

A. Jorm, Mental health literacy: Public knowledge and beliefs about mental disorders, The British Journal of Psychiatry, vol.177, issue.5, pp.396-401, 2000.
DOI : 10.1192/bjp.177.5.396

G. Wolff, S. Pathare, T. Craig, and J. Leff, Community knowledge of mental illness and reaction to mentally ill people, The British Journal of Psychiatry, vol.168, issue.2, pp.191-199, 1996.
DOI : 10.1192/bjp.168.2.191

D. Kessler, K. Lloyd, G. Lewis, D. M. Gray, M. Luppa et al., Cross sectional study of symptom attribution and recognition of depression and anxiety in primary care A comparison of GP and GDS diagnosis of depression in late life among multimorbid patients -Results of the MultiCare study, BMJ. J Affect Disord, vol.2014168, issue.7181, pp.318436-318445, 1999.

L. Karlsson, M. Marttunen, H. Karlsson, J. Kaprio, and A. Hillevi, Minor change in the diagnostic threshold leads into major alteration in the prevalence estimate of depression, Journal of Affective Disorders, vol.122, issue.1-2, pp.96-101, 2010.
DOI : 10.1016/j.jad.2009.06.025

A. Mitchell, A. Vaze, S. Rao, and R. Infi, Clinical diagnosis of depression in primary care: a meta-analysis, The Lancet, vol.374, issue.9690, pp.609-628, 2009.
DOI : 10.1016/S0140-6736(09)60879-5

J. Alonso, M. Angermeyer, S. Bernert, R. Bruffaerts, T. Brugha et al., Psychotropic drug utilization in Europe : results from the European Study of the Epidemiology of Mental Disorders ( ESEMeD ) project, Acta Psychiatr Scand, vol.109, pp.55-64, 2004.

G. Alexopoulos, K. Buckwalter, J. Olin, R. Martinez, C. Wainscott et al., Comorbidity of late life depression: an opportunity for research on mechanisms and treatment, Biological Psychiatry, vol.52, issue.6, pp.543-58, 2002.
DOI : 10.1016/S0006-3223(02)01468-3

D. Chisolm, Depression status, medical comorbidity and resource costs: Evidence from an international study of major depression in primary care (LIDO), Diagnostic and statistical manual of mental disorders : DSM-IV-TR, pp.121-152, 2003.
DOI : 10.1192/bjp.183.2.121

D. Washington, American Psychiatric Association, 2000.

K. Kendler and C. Gardner, Boundaries of Major Depression : An Evaluation of DSM-IV Criteria, Psychiatry Interpers Biol Process, pp.172-179, 1998.

J. Alonso, M. Codony, V. Kovess, M. Angermeyer, S. Katz et al., Population level of unmet need for mental healthcare in Europe, The British Journal of Psychiatry, vol.190, issue.4, pp.299-306, 2007.
DOI : 10.1192/bjp.bp.106.022004

A. Mitchell, S. Rao, and A. Vaze, International comparison of clinicians' ability to identify depression in primary care: meta-analysis and meta-regression of predictors, British Journal of General Practice, vol.61, issue.583
DOI : 10.3399/bjgp11X556227

K. Demyttenaere, R. Bruffaerts, J. Posada-villa, I. Gasquet, V. Kovess et al., Prevalence, severity, and unmet need for treatment of mental disorders in the World Health Organization World Mental Health Surveys, JAMA, vol.291, issue.21, pp.2581-90, 2004.

C. Lima, Prevalence of depressive symptoms and syndromes in later life in ten European countries: the SHARE study, Br J Psychiatry, vol.191, pp.393-401, 2007.

M. King, I. Nazareth, G. Levy, C. Walker, R. Morris et al., Prevalence of common mental disorders in general practice attendees across Europe, The British Journal of Psychiatry, vol.192, issue.5, pp.362-369, 2008.
DOI : 10.1192/bjp.bp.107.039966

J. Ayuso-mateos, J. Vázquez-barquero, C. Dowrick, V. Lehtinen, O. Dalgard et al., Depressive disorders in Europe: prevalence figures from the ODIN study, The British Journal of Psychiatry, vol.179, issue.4, pp.308-324, 2001.
DOI : 10.1192/bjp.179.4.308

I. Montero, D. Aparicio, M. Gómez-beneyto, B. Moreno-küstner, B. Reneses et al., G??nero y salud mental en un mundo cambiante, Gaceta Sanitaria, vol.18, issue.Supl.1, pp.175-81, 2004.
DOI : 10.1157/13062523

URL : http://doi.org/10.1157/13062523

A. Gabilondo, S. Rojas-farreras, G. Vilagut, J. Haro, A. Fernández et al., Epidemiology of major depressive episode in a southern European country: Results from the ESEMeD-Spain project, Journal of Affective Disorders, vol.120, issue.1-3, pp.1-376, 2010.
DOI : 10.1016/j.jad.2009.04.016

A. Lehti, A. Hammarström, and B. Mattsson, Recognition of depression in people of different cultures: a qualitative study, BMC Family Practice, vol.24, issue.3, p.53, 2009.
DOI : 10.1080/02813430601008479

M. Lejeune, Diagnosed, identified, current and complete depression among patients attending primary care in southern Catalonia: different aspects of the same concept, Arch Psychiatr Nurs, vol.28, issue.1, pp.50-54, 2014.

S. Bernert, H. Matschinger, A. J. Haro, J. Brugha, T. Angermeyer et al., Is it always the same? Variability of depressive symptoms across six European countries, Psychiatry Research, vol.168, issue.2, pp.137-181, 2009.
DOI : 10.1016/j.psychres.2008.04.008

A. Dezetter, X. Briffault, J. Alonso, M. Angermeyer, R. Bruffaerts et al., Factors Associated With Use of Psychiatrists and Nonpsychiatrist Providers by ESEMeD Respondents in Six European Countries, Psychiatric Services, vol.62, issue.2, pp.143-51, 2011.
DOI : 10.1176/ps.62.2.pss6202_0143

C. Dedieu, Differences in lifetime use of services for mental health problems in six European countries, Psychiatr Serv Washingt DC, vol.58, issue.2, pp.213-233, 2007.

A. Karasz, Cultural differences in conceptual models of depression, Social Science & Medicine, vol.60, issue.7, pp.1625-1660, 2005.
DOI : 10.1016/j.socscimed.2004.08.011

M. Walter and G. Thomas, D??pressions s??v??res : facteurs culturels et sociaux, L'Enc??phale, vol.35
DOI : 10.1016/S0013-7006(09)73488-8

M. Fortin, L. Lapointe, C. Hudon, A. Vanasse, A. Ryder et al., Multimorbidity is common to family practice: is it commonly researched? Can Fam Physician The Hamilton Depression Rating Scale: has the gold standard become a lead weight?, Bagby RM Am J Psychiatry, vol.51161, issue.212, pp.245-402163, 2004.

A. Liberati, D. Altman, J. Tetzlaff, C. Mulrow, P. Gøtzsche et al., The PRISMA Statement for Reporting Systematic Reviews and Meta-Analyses of Studies That Evaluate Health Care Interventions : Explanation and Elaboration, public Libr Sci, vol.6, issue.7, 2009.

F. Bourrée, P. Michel, and L. Salmi, Consensus methods: Review of original methods and their main alternatives used in public health, Revue d'??pid??miologie et de Sant?? Publique, vol.56, issue.6, pp.13-21, 2008.
DOI : 10.1016/j.respe.2008.10.005

V. Sousa and W. Rojjanasrirat, Translation, adaptation and validation of instruments or scales for use in cross-cultural health care research: a clear and user-friendly guideline, Journal of Evaluation in Clinical Practice, vol.16, issue.2, pp.268-74, 2011.
DOI : 10.1111/j.1365-2753.2010.01434.x

H. Glaesmer, E. Braehler, G. Grande, A. Hinz, F. Petermann et al., The German Version of the Hopkins Symptoms Checklist-25 (HSCL-25) ??? Factorial structure, psychometric properties, and population-based norms, Comprehensive Psychiatry, vol.55, issue.2, pp.396-403, 2014.
DOI : 10.1016/j.comppsych.2013.08.020

L. Derogatis, R. Lipman, K. Rickels, E. Uhlenhuth, and L. Covi, The Hopkins Symptom Checklist (HSCL): A self-report symptom inventory, Behavioral Science, vol.27, issue.1, pp.1-15, 1974.
DOI : 10.1002/bs.3830190102

I. Sandanger, T. Moum, G. Ingebrigtsen, T. Sorensen, O. Dalgrad et al., The meaning and significance of caseness: the Hopkins Symptom Checklist-25 and the Composite International Diagnostic Interview II, Social Psychiatry and Psychiatric Epidemiology, vol.34, issue.1, pp.53-62, 1999.
DOI : 10.1007/s001270050112

P. Nettelbladt, L. Hansson, C. Stefansson, and L. Borgquist, Test characteristics of the Hopkins Symptom Check List-25 (HSCL-25) in Sweden, using the Present State Examination (PSE-9) as a caseness criterion, Social Psychiatry and Psychiatric Epidemiology, vol.22, issue.3, pp.130-133, 1993.
DOI : 10.1007/BF00801743

A. Halepota and S. Wasif, HSCL-25) Urdu translation: an instrument for detecting anxiety and depression in torture and trauma victims Hmong version: a screening instrument for psychological distress, Mouanoutoua VL, Brown LG. Hopkins Symptom Checklist-25, pp.255-262, 1995.

L. Oruc, A. Kapetanovic, N. Pojskic, K. Miley, S. Forstbauer et al., Screening for PTSD and depression in Bosnia and Herzegovina: validating the Harvard Trauma Questionnaire and the Hopkins Symptom Checklist, International Journal of Culture and Mental Health, vol.49, issue.2, pp.105-121, 2008.
DOI : 10.1023/A:1024758718971

A. Sperber, Translation and validation of study instruments for crosscultural research HAS, Haute Autorité Santé. Bases méthodologiques pour l'élaboration de recommandations professionnelles par consensus formalisé. Guide méthodologique Available at, Gastroenterology, vol.12624, pp.124-128, 2004.

H. Linstone and M. Turoff, The Delphi method: techniques and applications

B. Graham, Delphi as a method to establish consensus for diagnostic criteria, Journal of Clinical Epidemiology, vol.56, issue.12
DOI : 10.1016/S0895-4356(03)00211-7

P. Care, Delphi type methodology to develop consensus on the future design of EMS systems in the United Kingdom, Emerg Med J, pp.155-164, 2002.

D. Villiers, M. De-villiers, P. Kent, and A. , The Delphi technique in health sciences education research, Medical Teacher, vol.18, issue.7, pp.639-682, 2005.
DOI : 10.1097/00006247-199104000-00015

J. Jones and D. Hunter, Qualitative Research: Consensus methods for medical and health services research, BMJ, vol.311, issue.7001, pp.376-80, 1995.
DOI : 10.1136/bmj.311.7001.376

F. Hasson, S. Keeney, and H. Mckenna, Research guidelines for the Delphi survey technique, J Adv Nurs, vol.32, issue.4, pp.1008-1023, 2000.

C. Powell and J. Dixon, The Delphi technique : myths and realities Instrument translation process: a methods review, J Adv Nurs. J Adv Nurs, vol.48, issue.2, pp.175-86, 2003.

F. Romm and B. Hulka, Developing Criteria for Quality of Care Assessment : effect of the Delphi Technique, Health Serv Res, pp.309-321, 1979.

S. Jamieson, Likert scales: how to (ab)use them, Medical Education, vol.38, issue.4, pp.1217-1225, 2004.
DOI : 10.1111/j.1365-2929.2004.02012.x

H. Chen and J. Boore, Translation and back-translation in qualitative nursing research: methodological review, Journal of Clinical Nursing, vol.53, issue.1-2, pp.234-243, 2010.
DOI : 10.1111/j.1365-2702.2009.02896.x

C. Acquadro, K. Conway, A. Hareendran, and N. Aaronson, Literature Review of Methods to Translate Health-Related Quality of Life Questionnaires for Use in Multinational Clinical Trials, Value in Health, vol.11, issue.3, pp.509-530, 2008.
DOI : 10.1111/j.1524-4733.2007.00292.x