Embed this link to provide your readers free access to the full-text article This link will be live at the embargo time https://jamanetwork.com/journals/jamapediatrics/fullarticle/10.1001/jamapediatrics.2020.5620?guestAccessKey=48a85917-38e7-4a13-bd07-7fbf7719c121&utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_content=tfl&utm_term=021521