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Goorts, Kaat, Charlotte Vanovenberghe, Charlotte Lambreghts, Eline Bruneel, Dorina Rusu, Sofie Vandenbroeck, und Lode Godderis. "Assessment of Long-term Sickness Absence: Content and Face Validity of a New Questionnaire Based On Qualitative Data From Nominal Groups." BMC Med Res Methodol 2019.

Goorts, Kaat, et al. "Assessment of Long-term Sickness Absence: Content and Face Validity of a New Questionnaire Based On Qualitative Data From Nominal Groups." BMC Med Res Methodol 2019.