Author contribution
Floor, LEARNS
In alphabetical order: Conceptualization: Antonia Bouts and Lotte Haverman. Study coordination: Elske Mak-Nienhuis and Floor Veltkamp. Patient selection: Antonia Bouts, Elske Mak-Nienhuis, Floor Veltkamp, and all local investigators affiliated to the LEARNS consortium. Data resource: Lotte Haverman, Hedy van Oers, and Lorynn Teela. Data collection: Elske Mak-Nienhuis and Floor Veltkamp. Data analysis: Hedy van Oers, Lorynn Teela, and Floor Veltkamp. Writing — original manuscript draft: Floor Veltkamp. Writing — review and editing: Antonia Bouts, Lotte Haverman, Hedy van Oers, and Lorynn Teela. Supervision: Antonia Bouts, Lotte Haverman, and Hedy van Oers.All authors approved the final manuscript as submitted and agree to be accountable for all aspects of the work.