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.2020.6789?guestAccessKey=87987059-df65-4f70-abff-8360f6ebb2ef&utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_content=tfl&utm_term=010721