Should we search Chinese biomedical databases when performing systematic reviews?

¹ Department of Clinical Epidemiology, Biostatistics and Bioinformatics, Academic Medical Center – University of Amsterdam|, Room J1B-210, Amsterdam, 1100 DE, The Netherlands

² Inserm U1153, Obstetrical, Perinatal and Pediatric Epidemiology Research Team, Center for Epidemiology and Biostatistics Sorbonne Paris Cité (CRESS), Paris Descartes University, 53 Avenue de l’Observatoire, Paris, 75014, France

³ Department of Pediatrics, Necker-Enfants Malades Hospital, Assistance Publique-Hôpitaux de Paris, Paris Descartes University, 149 Rue de Sèvres, Paris, 75015, France

⁴ Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Dutch Cochrane Centre, Heidelberglaan 100, Utrecht, 3584 CX, The Netherlands