Center for Cancer Control and Information Services, National Cancer Center, Japan, “Age-Specific Mortality Rate -Lung,” 2009. http://ganjoho.jp/pro/statistics/gdball.html? 1%2%1
 K. Yokoyama, S. Araki, N. Kawakami, et al., “Production of the Japanese Edition of Profile of Mood States (POMS): Assessment of Reliability and Validity,” Japanese Journal of Public Health, Vol. 37, 1990, pp. 913- 918.
 S. Morita, K. Kobayashi, K. Eguchi, et al., “Influence of Clinical Parameters on Quality of Life during Chemotherapy in Patients with Advanced Non-Small Cell Lung Cancer: Application of a General Linear Model,” Japanese Journal of Clinical Oncology, Vol. 33, No. 9, 2003, pp. 470-476. doi:10.1093/jjco/hyg083
 D. F. Cella, D. S. Tulsky, G. Gray, et al., “The Functional Assessment of Cancer Therapy Scale: Development and Validation of the General Measure,” Journal of Clinical Oncology, Vol. 11, No. 3, 1993, pp. 570-579.
 H. Fumimoto, K. Kobayashi, C. H. Chang, et al., “Cross- cultural Validation of an International Questionnaire, the General Measure of the Functional Assessment of Cancer Therapy Scale (FACT-G),” Quality of Life Research, Vol. 10, 2001, pp. 701-709. doi:10.1023/A:1013851216181
 D. F. Cella, A. E. Bonomi, S. R. Lloyd, et al., “Reliability and Validity of the Functional Assessment of Cancer Therapy—Lung (FACT-L) Quality of Life Instrument,” Lung Cancer, Vol. 12, No. 3, 1995, pp. 199-220. doi:10.1016/0169-5002(95)00450-F
 E. Saitoh, Y. Yokomizo, C. H. Cang, et al., “Cross-Cultural Validation of the Japanese Version of the Lung Cancer Subscale on the Functional Assessment of Cancer Therapy-Lung,” Journal of Nippon Medical School, Vol. 74, No. 6, 2007, pp. 402-408. doi:10.1272/jnms.74.402
 M. Biondi and A. Picardi, “Psychological Stress and Neuroendocrine Function in Humans: The Last Two Decades of Research,” Psychotherapy and Psychosomatics, Vol. 68, No. 3, 1999, pp. 114-150. doi:10.1159/000012323
 C. Kirschbaum and D. H. Hellhammer, “Salivary Cortisol in Psychoneuroendocrine Research: Recent Developments and Applications,” Psychoneuroendocrinology, Vol. 19, No. 4, 1994, pp. 313-333. doi:10.1016/0306-4530(94)90013-2
 Y. Noto, T. Sato, M. Kudo, et al., “The Relationship between Salivary Biomarkers and State-Trait Anxiety Inventory Score under Mental Arithmetic Stress: A Pilot Study,” Anesthesia & Analgesia, Vol. 101, 2005, pp. 1873-1876. doi:10.1213/01.ANE.0000184196.60838.8D
 D. L. Delacroix and J. P. Vaerman, “Function of the human Liver in IgA Homeostasis in Plasma,” Annals of the New York Academy of Sciences, Vol. 409, No. 1, 1976, pp. 383-401. doi:10.1111/j.1749-6632.1983.tb26884.x
 S. L. McDowell, R. A. Hughes, R. J. Hudhes, et al., “The Effect of Exercise Training on Salivary Immunoglobulin A and Cortisol Responses to Maximal Exercise,” International Journal of Sports Medicine, Vol. 13, No. 8, 1992, pp. 577-580. doi:10.1055/s-2007-1024568
 D. Kajdaniuk, B. Marek, E. Swietochowska, et al., “Is Positive Correlation between Cortisol and Met-Enkephalin Concentration in Blood of Women with Breast Cancer a Reaction to Stress before Chemotherapy Administration?” Pathophysiology, Vol. 7, No. 1, 2000, pp. 47-51. doi:10.1016/S0928-4680(00)00028-6
 A. Montazeri, C. R. Gillis and J. McEwen, “Quality of life in Patients with Lung Cancer: A Review of Literature from 1970 to 1995,” Chest, Vol. 113, No. 2, 1998, pp. 467-481. doi:10.1378/chest.113.2.467
 N. Lasikiewicza, H. Hendrickxb, D. Talbot, et al., “Exploration of Basal Diurnal Salivary Cortisol Profiles in Middle-Aged Adults: Associations with Sleep Quality and Metabolic Parameters,” Psychoneuroendocrinology, Vol. 33, No. 2, 2008, pp. 143-151. doi:10.1016/j.psyneuen.2007.10.013