The Potential to Leverage Real-World Data for Pediatric Clinical Trials: A Proof-of-Concept Study - Jens Declerck; Joanne Lee; Anando Sen; Avril Palmeri; Rianne Oostenbrink; Viviana Giannuzzi; Simon Woodworth; Salma Malik; Fenna Mahler; Beate Aurich; Rebecca Leary; Dipak Kalra; et al. (Journal of Medical Internet Research)