Stressful life events, psychosocial health and general health in preschool children before age 4.

"Declarations Conflict of interestNo financial or non-financial benefits have been received or will be received from any party related directly or indirectly to the subject of this article. Ethical approvalThe Medical Ethical Committee of the Erasmus Medical Center Rotterdam has reviewed the research proposal and declared that the rules laid down in the Medical Research Involving Human Subjects Act (also known by its Dutch abbreviation WMO) did not apply to this research proposal (number MEC-2014-152). This study was conducted by following the guidelines proposed in the World Medical Association Declaration of Helsinki. Informed consentAll the participants provided written informed consent to participate in the study. Conflict of interest No financial or non-financial benefits have been received or will be received from any party related directly or indirectly to the subject of this article."

"Funding This work was supported by ZonMw (grant number 729301001). Jie Luo was funded by the Chinese Government Scholarship (CN) (grant number 201806170061)."