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/jamaoncology/fullarticle/10.1001/jamaoncol.2020.6758?guestAccessKey=7d0970dc-4d97-458c-8b06-c765db479414&utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_content=tfl&utm_term=010721