The questionnaire design process in the European Human Biomonitoring Initiative (HBM4EU).
González-Alzaga Beatriz, Hernández Antonio F, Kim Pack L, +9 more·Environment international
BACKGROUND: Designing questionnaires is a key point of epidemiological studies assessing human exposure to chemicals. The lack of validated questionnaires can lead to the use of previously developed and sub-optimally adapted questionnaires, which may result in information biases that affect the study's validity. On thi…