Received: 27 February 2020
Accepted: 27 August 2020
First Online: 11 September 2020
Ethics approval and consent to participate
: Ethics approval not applicable. Buffy coats were obtained from the hospital blood bank at Sahlgrenska University Hospital, Gothenburg, Sweden after deidentification, and according to the Swedish legislation section code 4§ 3p SFS 2003:460, no informed consent is needed. Permission to use blood-components for other purposes than transfusion was approved (171017) with the reference number (KITM) K 22/17.
: Not applicable.
: The authors declare that they have no competing interests.