Received: 4 September 2020
Accepted: 27 December 2020
First Online: 20 January 2021
Ethics approval and consent to participate
: PBMC samples were collected anonymously through an internal Amgen Research Blood Donor Program that was monitored by Amgen Occupational Health in EH&S and considered exempt from IRB approval.
: Not applicable.
: The authors have read the journal’s policy and have the following conflicts: Tracy M. Yamawaki, Daniel R. Lu, Daniel C. Ellwanger, Dev Bhatt, Paolo Manzanillo, Vanessa, Arias, Hong Zhou, Oliver Homann, Songli Wang, and Chi-Ming Li are employees or contract workers at Amgen Inc. Oh Kyu Yoon was employed by Amgen Inc. while working on the study. All authors owned Amgen shares when the experiments were carried out. However, these do not alter the authors’ adherence to all journal policies on sharing data and materials.