Systematic Review of Health Organization Guidelines Following the AMSSM 2019 Youth Early Sport Specialization Summit. - Herman, Daniel C.; Nelson, Vicki R.; Montalvo, Alicia M.; Myer, Greg D.; Brenner, Joel S.; DiFiori, John P.; Jayanthi, Neeru A.; Marshall, Stephen W.; Kliethermes, Stephanie A.; Beutler, Anthony I.; Tenforde, Adam S. (Sports Health: A Multidisciplinary Approach, 2022)