Sleep quality and the biological stress system during an internet-based intervention for major depressive disorder (2025) Laufer S, Bohn J, Engel S, Klusmann H, Skoluda N, Nater UM, Knaevelsrud C, Schumacher S Journal article Targeting concerns about falling to modulate biological stress systems: Effects of a multicomponent randomized controlled trial in older adults (2025) Müller A, Kob R, Sieber C, Freiberger E, Rohleder N, Britting S Journal article Mixed-methods analysis of sickness behavior during a natural experiment: An integrative single-case study (2025) Schubert C, Seizer L, Sophia Lauby NC, Fuchs D Journal article Association of perinatal characteristics with biomarkers of stress and inflammation in young adults: An exploratory study (2024) Plank AC, Maschke J, Mestermann S, Janson-Schmitt J, Sturmbauer S, Eichler A, Rohleder N Journal article Biological markers in clinical psychological research - A systematic framework applied to HPA axis regulation in PTSD (2022) Engel S, Klusmann H, Laufer S, Kapp C, Schumacher S, Knaevelsrud C Journal article The Cortisol Assessment List (CoAL) A tool to systematically document and evaluate cortisol assessment in blood, urine and saliva (2021) Laufer S, Engel S, Lupien S, Knaevelsrud C, Schumacher S Journal article CortiLove: A pilot study on hair steroids in the context of being in love and separation (2021) Renner J, Stanulla M, Walther A, Schindler L Journal article, Original article How to deal with non-detectable and outlying values in biomarker research: Best practices and recommendations for univariate imputation approaches (2021) Herbers J, Miller R, Walther A, Schindler L, Schmidt K, Gao W, Rupprecht F Journal article, Original article