Child mental health problems as a risk factor for academic underachievement: A multi-informant, population-based study.

"CONFLICT OF INTEREST All authors have declared having no competing or potential conflicts of interest."

"We would like to thank all who have taken part in the Generation R study, being children and parents, general practitioners, hospitals, midwives, and pharmacies in Rotterdam. The ORACLE Study is funded by the European Research Council (ERC) under the European Union”s Horizon 2020 research and innovation programme (project: ORACLE, grant agreement No: 678543). The general design of Generation R Study has been funded by the Erasmus Medical Center, Rotterdam, ZonMw, the Netherlands Organization for Scientific Research (NWO), and the Ministry of Health, Welfare and Sport, and is conducted by the Erasmus Medical Center in close collaboration with the Faculty of Social Sciences of the Erasmus University Rotterdam, and the Stichting Trombosedienst & Artsenlaboratorium Rijnmond (STAR‐MDC), Rotterdam. The work of NTM has received funding from EU”s New Opportunities for Research Funding Agency Co‐operation in Europe (NORFACE) initiative (project: SEED, grant agreement No: 462‐16‐030). The work of CC has received funding from the European Union”s Horizon 2020 Research and Innovation Programme under grant agreement No 848158 (EarlyCause Project). The financial supporters did not influence the results of this work. As such, the funders had no role in the study design, data collection, analysis, interpretation of the data, or writing of the report."