Kocalevent, R-D., Berg, L., Beutel, M. E., Hinz, A., Zenger, M., Härter, M., Nater, U., & Brähler, E. (2018). Social support in the general population: standardization of the Oslo social support scale (OSSS-3). BMC Psychology, 6(1), [31]. https://doi.org/10.1186/s40359-018-0249-9

Roerink, M. E., Roerink, S. H. P. P., Skoluda, N., van der Schaaf, M. E., Hermus, A. R. M. M., van der Meer, J. W. M., Knoop, H., & Nater, U. M. (2018). Hair and salivary cortisol in a cohort of women with chronic fatigue syndrome. Hormones and Behavior, 103, 1-6. https://doi.org/10.1016/j.yhbeh.2018.05.016