How to upload additional supporting materials through the journal website?

Most academic journals facilitate supplementary material submission via their online manuscript submission systems. This process typically involves distinct upload steps during manuscript submission. Consult the target journal's specific "Instructions for Authors" guide regarding acceptable file formats (e.g., PDF, DOCX, XLSX, ZIP, video/image formats), size limitations, and permitted content types (datasets, code, multimedia, extended methods). Accurate labelling and descriptive captions for each file are mandatory. Ethical compliance, particularly concerning patient data anonymization, is essential. Supplementary materials are subject to peer review alongside the main manuscript. Navigate to the dedicated "Supplementary Files" or "Attachments" section within the submission platform. Upload the verified files individually or as a compressed archive. Provide descriptive titles and captions precisely as instructed. Adhering to journal guidelines ensures accessibility and enhances the manuscript's reproducibility and transparency. Failure to comply may lead to editorial delays or requests for modification.