1. Wolff R, Clar C, Lerch C, Kleijnen J (2011) Epidemiologie von nicht tumorbedingten chronischen Schmerzen in Deutschland. Schmerz 25:26–44
2. Plass D, Vos T, Hornberg C, Scheidt-Nave C, Zeeb H, Krämer A (2014) Trends in disease burden in Germany: results, implications and limitations of the Global Burden of Disease study. Dtsch Arztebl Int 111:629–638
3. Gureje O, Von Korff M, Simon GE, Gater R (1998) Persistent pain and well-being: a World Health Organization Study in Primary Care. JAMA 280:147–151
4. Çakmak S, Özbek HT, Işık AG, Taşdemir A, Pektaş S, Ünlügenç H, Tamam L, Demirkol ME (2019) The relationship between somatic sense perception levels and comorbid psychiatric diseases in chronic pain patients. Agri 31:183–194
5. Velly AM, Look JO, Carlson C, Lenton PA, Kang W, Holcroft CA, Fricton JR (2011) The effect of catastrophizing and depression on chronic pain—a prospective cohort study of temporomandibular muscle and joint pain disorders. Pain 152:2377