Abell, JG, Stalder, T, Ferrie, JE, Shipley, MJ, Kirschbaum, C, Kivimäki, M and Kumari, M (2016) Assessing cortisol from hair samples in a large observational cohort: the Whitehall II study. Psychoneuroendocrinology 73, 148–156.
Albin, R (1982) Christmas blues: reality or myth? In The Graduate School of Arts and Sciences. The George Washington University.
Anastasi, S, Eusebi, P and Quartesan, RJPD (2014) Psychiatry in the emergency room: one year period of clinical experience. Psychiatria Danubina 26, 56–65.
Avery, DH, Dahl, K, Savage, MV, Brengelmann, GL, Larsen, LH, Kenny, MA, Eder, DN, Vitiello, MV and Prinz, PN (1997) Circadian temperature and cortisol rhythms during a constant routine are phase-delayed in hypersomnic winter depression. Biological Psychiatry 41, 1109–1123.
Ayers, JW, Althouse, BM, Allem, JP, Rosenquist, JN and Ford, DE (2013) Seasonality in seeking mental health information on Google. American Journal of Preventive Medicine 44, 520–525.
Balestrieri, M, Bragagnoli, N and Bellantuono, C (1991) Antidepressant drug prescribing in general practice: a 6-year study. Journal of Affective Disorders 21, 45–55.
Ballard, CG, Mohan, M and Davis, A (1993) Seasonal variation in the prevalence of postnatal depression. European Journal of Psychiatry 7, 73–76.
Belleville, G, Foldes-Busque, G, Dixon, M, Marquis-Pelletier, E, Barbeau, S, Poitras, J, Chauny, JM, Diodati, JG, Fleet, R and Marchand, A (2013) Impact of seasonal and lunar cycles on psychological symptoms in the ED: an empirical investigation of widely spread beliefs. General Hospital Psychiatry 35, 192–194.
Bronson, FH (1995) Seasonal variation in human reproduction: environmental factors. Quarterly Review of Biology 70, 141–164.
Carlsson, A, Svennerholm, L and Winblad, B (1980) Seasonal and circadian monoamine variations in human brains examined post mortem. Acta Psychiatrica Scandinavica. Supplementum 280, 75.
Cerbus, G and Dallara, RF Jr (1975) Seasonal differences of depression in mental hospital admissions as measured by the MMPI. Psychological Reports 36, 737–738.
Christensen, R and Dowrick, PW (1983) Myths of mid-winter depression. Community Mental Health Journal 19, 177–186.
Cobb, BS, Coryell, WH, Cavanaugh, J, Keller, M, Solomon, DA, Endicott, J, Potash, JB and Fiedorowicz, JG (2014) Seasonal variation of depressive symptoms in unipolar major depressive disorder. Comprehensive Psychiatry 55, 1891–1899.
Cox, JL, Holden, JM and Sagovsky, R (1987) Detection of postnatal depression. Development of the 10-item Edinburgh Postnatal Depression Scale. British Journal of Psychiatry 150, 782–786.
Crum, A and Phillips, DJ (2015) Self-fulfilling prophesies, placebo effects, and the social–psychological creation of reality. In Emerging Trends in the Social and Behavioral Sciences. John Wiley & Sons, Inc.
de Craen, AJ, Gussekloo, J, van der Mast, RC, le Cessie, S, Lemkes, JW and Westendorp, RG (2005) Seasonal mood variation in the elderly: the Leiden 85-plus study. International Journal of Geriatric Psychiatry 20, 269–273.
de Graaf, R, van Dorsselaer, S, ten Have, M, Schoemaker, C and Vollebergh, WA (2005) Seasonal variations in mental disorders in the general population of a country with a maritime climate: findings from the Netherlands mental health survey and incidence study. American Journal of Epidemiology 162, 654–661.
Doganer, YC, Angstman, KB, Kaufman, TK and Rohrer, JE (2015) Seasonal variation in clinical remission of primary care patients with depression: impact of gender. Journal of Evaluation in Clinical Practice 21, 160–165.
Dominiak, M, Swiecicki, L and Rybakowski, J (2015) Psychiatric hospitalizations for affective disorders in Warsaw, Poland: effect of season and intensity of sunlight. Psychiatry Research 229, 287–294.
Dwan, K, Gamble, C, Williamson, PR, Kirkham, JJ and Reporting Bias, G (2013) Systematic review of the empirical evidence of study publication bias and outcome reporting bias – an updated review. PloS One 8, e66844.
Eastwood, MR and Stiasny, S (1978) Psychiatric disorder, hospital admission, and season. Archives of General Psychiatry 35, 769–771.
Gardarsdottir, H, Egberts, TC, van Dijk, L and Heerdink, ER (2010) Seasonal patterns of initiating antidepressant therapy in general practice in the Netherlands during 2002–2007. Journal of Affective Disorders 122, 208–212.
Hansen, V, Skre, I and Lund, E (2008) What is this thing called ‘SAD’? A critique of the concept of Seasonal Affective Disorder. Epidemiologia e Psichiatria Sociale 17, 120–127.
Harris, C (1984) Seasonal variations in depression and osteoarthritis. Journal of Royal College of General Practitioners 34, 436–439.
Harris, S and Dawson-Hughes, B (1993) Seasonal mood changes in 250 normal women. Psychiatry Research 49, 77–87.
Henriksson, HE, Sylven, SM, Kallak, TK, Papadopoulos, FC and Skalkidou, A (2017) Seasonal patterns in self-reported peripartum depressive symptoms. European Psychiatry 43, 99–108.
Holloway, LE and Evans, S (2014) Seasonality of depression referrals in older people. Community Mental Health Journal 50, 336–338.
Huibers, MJ, de Graaf, LE, Peeters, FP and Arntz, A (2010) Does the weather make us sad? Meteorological determinants of mood and depression in the general population. Psychiatry Research 180, 143–146.
Jewell, JS, Dunn, AL, Bondy, J and Leiferman, J (2010) Prevalence of self-reported postpartum depression specific to season and latitude of birth: evaluating the PRAMS data. Maternal and Child Health Journal 14, 261–267.
Kalbitzer, J, Erritzoe, D, Holst, KK, Nielsen, FÅ, Marner, L, Lehel, S, Arentzen, T, Jernigan, TL and Knudsen, GM (2010) Seasonal changes in brain serotonin transporter binding in short serotonin transporter linked polymorphic region-allele carriers but not in long-allele homozygotes. Biological Psychiatry 67, 1033–1039.
Kerr, D, Shaman, J, Washburn, I, Vuchinich, S, Neppl, T, Capaldi, D and Conger, R (2013) Two longterm studies of seasonal variation in depressive symptoms among community participants. Journal of Affective Disorders 151, 837–842.
Kessler, RC, Berglund, P, Demler, O, Jin, R, Koretz, D, Merikangas, KR, Rush, AJ, Walters, EE and Wang, PS (2003) The epidemiology of major depressive disorder: results from the National Comorbidity Survey Replication (NCS-R). JAMA 289, 3095–3105.
Kim, TH, Connolly, JA and Tamim, H (2014) The effect of social support around pregnancy on postpartum depression among Canadian teen mothers and adult mothers in the maternity experiences survey. BMC Pregnancy and Childbirth 14, 162.
Kivela, A, Kauppila, A, Ylostalo, P, Vakkuri, O and Leppaluoto, J (1988) Seasonal, menstrual and circadian secretions of melatonin, gonadotropins and prolactin in women. Acta Physiologica Scandinavica 132, 321–327.
Kristjansdottir, J, Olsson, GI, Sundelin, C and Naessen, T (2013) Self-reported health in adolescent girls varies according to the season and its relation to medication and hormonal contraception–a descriptive study. European Journal of Contraception and Reproductive Health Care 18, 343–354.
Lambert, GW, Reid, C, Kaye, DM, Jennings, GL and Esler, MD (2002) Effect of sunlight and season on serotonin turnover in the brain. Lancet 360, 1840–1842.
Lewy, AJ, Sack, RL, Singer, CM and White, DM (1987) The phase shift hypothesis for bright light's therapeutic mechanism of action: theoretical considerations and experimental evidence. Psychopharmacology Bulletin 23, 349–353.
Magnusson, A, Axelsson, J, Karlsson, MM and Oskarsson, H (2000) Lack of seasonal mood change in the Icelandic population: results of a cross-sectional study. American Journal of Psychiatry 157, 234–238.
Markkula, N, Suvisaari, J, Saarni, SI, Pirkola, S, Peña, S, Saarni, S, Ahola, K, Mattila, AK, Viertiö, S and Strehle, J (2015) Prevalence and correlates of major depressive disorder and dysthymia in an eleven-year follow-up–results from the Finnish Health 2011 Survey. Journal of Affective Disorders 173, 73–80.
Mersch, PP, Middendorp, HM, Bouhuys, AL, Beersma, DG and van den Hoofdakker, RH (1999) Seasonal affective disorder and latitude: a review of the literature. Journal of Affective Disorders 53, 35–48.
Mersch, PP, Vastenburg, NC, Meesters, Y, Bouhuys, AL, Beersma, DG, van den Hoofdakker, RH and den Boer, JA (2004) The reliability and validity of the Seasonal Pattern Assessment Questionnaire: a comparison between patient groups. Journal of Affective Disorders 80, 209–219.
Michalak, EE, Murray, G, Wilkinson, C, Dowrick, C, Lasa, L, Lehtinen, V, Dalgard, OS, Ayuso-Mateos, JL, Vazquez-Barquero, JL, Casey, P and Group, O (2004) Estimating depression prevalence from the Beck Depression Inventory: is season of administration a moderator? Psychiatry Research 129, 99–106.
Morera, AL and Abreu, P (2006) Seasonality of psychopathology and circannual melatonin rhythm. Journal of Pineal Research 41, 279–283.
Murase, S, Murase, S, Kitabatake, M, Yamauchi, T and Mathe, AA (1995) Seasonal mood variation among Japanese residents of Stockholm. Acta Psychiatrica Scandinavica 92, 51–55.
Nayyar, K and Cochrane, R (1996) Seasonal changes in affective state measured prospectively and retrospectively. British Journal of Psychiatry 168, 627–632.
Neumeister, A, Pirker, W, Willeit, M, Praschak-Rieder, N, Asenbaum, S, Brücke, T and Kasper, S (2000) Seasonal variation of availability of serotonin transporter binding sites in healthy female subjects as measured by [123 I]-2β-carbomethoxy-3β-(4-iodophenyl) tropane and single photon emission computed tomography. Biological Psychiatry 47, 158–160.
Nussbaumer, B, Kaminski-Hartenthaler, A, Forneris, CA, Morgan, LC, Sonis, JH, Gaynes, BN, Greenblatt, A, Wipplinger, J, Lux, LJ, Winkler, D, Van Noord, MG, Hofmann, J and Gartlehner, G (2015) Light therapy for preventing seasonal affective disorder. Cochrane Database of Systematic Reviews, CD011269.
O'Hare, C, O'Sullivan, V, Flood, S and Kenny, RA (2016) Seasonal and meteorological associations with depressive symptoms in older adults: a geo-epidemiological study. Journal of Affective Disorders 191, 172–179.
Park, DH, Kripke, DF and Cole, RJ (2007) More prominent reactivity in mood than activity and sleep induced by differential light exposure due to seasonal and local differences. Chronobiology International 24, 905–920.
Patten, SB, Williams, JV, Lavorato, DH, Fiest, KM, Bulloch, AG and Wang, J (2015) The prevalence of major depression is not changing. The Canadian Journal of Psychiatry 60, 31–34.
Patten, SB, Williams, JV, Lavorato, DH, Bulloch, AG, Fiest, KM, Wang, JL and Sajobi, TT (2017) Seasonal variation in major depressive episode prevalence in Canada. Epidemiology and Psychiatric Sciences 26, 169–176.
Posternak, MA and Zimmerman, M (2002) Lack of association between seasonality and psychopathology in psychiatric outpatients. Psychiatry Research 112, 187–194.
Potkin, SG, Zetin, M, Stamenkovic, V, Kripke, D and Bunney, WE Jr (1986) Seasonal affective disorder: prevalence varies with latitude and climate. Clinical Neuropharmacology 9, 181–183.
Roecklein, KA and Rohan, KJ (2005) Seasonal affective disorder: an overview and update. Psychiatry (Edgmont) 2, 20–26.
Roenneberg, T and Aschoff, J (1990) Annual rhythm of human reproduction: II. Environmental correlations. Journal of Biological Rhythms 5, 217–239.
Rollnik, JD, Dimsdale, JE and Ng, B (2000) Variation of psychiatric emergencies across seasons in San Diego county. Depression and Anxiety 11, 48–49.
Rosenthal, NE, Sack, DA, Gillin, JC, Lewy, AJ, Goodwin, FK, Davenport, Y, Mueller, PS, Newsome, DA and Wehr, TA (1984) Seasonal affective disorder. A description of the syndrome and preliminary findings with light therapy. Archives of General Psychiatry 41, 72–80.
Sato, T, Bottlender, R, Sievers, M and Moller, HJ (2006) Distinct seasonality of depressive episodes differentiates unipolar depressive patients with and without depressive mixed states. Journal of Affective Disorders 90, 1–5.
Schlager, D, Schwartz, JE and Bromet, EJ (1993) Seasonal variations of current symptoms in a healthy population. British Journal of Psychiatry 163, 322–326.
Shephard, RJ and Aoyagi, Y (2009) Seasonal variations in physical activity and implications for human health. European Journal of Applied Physiology 107, 251–271.
Sit, D, Seltman, H and Wisner, KL (2011) Seasonal effects on depression risk and suicidal symptoms in postpartum women. Depression and Anxiety 28, 400–405.
Skegg, K, Skegg, DC and McDonald, BW (1986) Is there seasonal variation in the prescribing of antidepressants in the community? Journal of Epidemiology and Community Health 40, 285–288.
Srinivasan, V, Smits, M, Spence, W, Lowe, AD, Kayumov, L, Pandi-Perumal, SR, Parry, B and Cardinali, DP (2006) Melatonin in mood disorders. World Journal of Biological Psychiatry 7, 138–151.
Stordal, E, Morken, G, Mykletun, A, Neckelmann, D and Dahl, AA (2008) Monthly variation in prevalence rates of comorbid depression and anxiety in the general population at 63–65 degrees North: the HUNT study. Journal of Affective Disorders 106, 273–278.
Sylven, SM, Papadopoulos, FC, Olovsson, M, Ekselius, L, Poromaa, IS and Skalkidou, A (2011) Seasonality patterns in postpartum depression. American Journal of Obstetrics and Gynecology 204, 413 e1–6.
Szabo, C and Blanche, M (1995) Seasonal variation in mood disorder presentation: further evidence of this phenomenon in a South African sample. Journal of Affective Disorders 33, 209–214.
Traffanstedt, MK, Mehta, S and LoBello, SG (2016) Major depression with seasonal variation. Clinical Psychological Science 4, 825–834.
Waraich, P, Goldner, EM, Somers, JM and Hsu, L (2004) Prevalence and incidence studies of mood disorders: a systematic review of the literature. Canadian Journal of Psychiatry. Revue Canadienne de Psychiatrie 49, 124–138.
Weinberger, DM, Krause, TG, Molbak, K, Cliff, A, Briem, H, Viboud, C and Gottfredsson, M (2012) Influenza epidemics in Iceland over 9 decades: changes in timing and synchrony with the United States and Europe. American Journal of Epidemiology 176, 649–655.
Wells, G, Shea, B, O'connell, D, Peterson, J, Welch, V, Losos, M and Tugwell, P (2000) .
Weobong, B, Ten Asbroek, AH, Soremekun, S, Danso, S, Owusu-Agyei, S, Prince, M and Kirkwood, BR (2015) Determinants of postnatal depression in rural Ghana: findings from the Don population based cohort study. Depression and Anxiety 32, 108–119.
Whiteford, HA, Ferrari, AJ, Degenhardt, L, Feigin, V and Vos, T (2015) The global burden of mental, neurological and substance use disorders: an analysis from the global burden of disease study 2010. PloS One 10, e0116820.
Winthorst, W, Post, W, Meesters, Y, Penninx, B and Nolen, W (2011) Seasonality in depressive and anxiety symptoms among primary care patients and in patients with depressive and anxiety disorders; results from the Netherlands Study of Depression and Anxiety. BMC Psychiatry 11, 1–18.
Yang, SN, Shen, LJ, Ping, T, Wang, YC and Chien, CW (2011) The delivery mode and seasonal variation are associated with the development of postpartum depression. Journal of Affective Disorders 132, 158–164.
Young, MA (2017) Does seasonal affective disorder exist? A commentary on Traffanstedt, Mehta, and LoBello (2016). Clinical Psychological Science 5, 750–754.
Young, MA, Hutman, P, Enggasser, JL and Meesters, Y (2015) Assessing usual seasonal depression symptoms: the seasonality assessment form. Journal of Psychopathology and Behavioral Assessment 37, 112–121.