Received: 6 November 2020
Accepted: 28 January 2021
First Online: 5 March 2021
Ethics approval and consent to participate
: The study was approved by the Maseno University Ethics Review Committee (Maseno, Kenya; ref: MSU/DRPI/MUERC/00433/17), the Western Institutional Review Board-Copernicus Group (Seattle, USA; tracking number: 20171427), and the University of Alberta Research Ethics Board Biomedical Panel (Edmonton, Canada; ref: Pro00086635). Accompanying parents or legal guardians provided written informed consent and patients > 7 years of age provided assent at the time of enrolment. All study procedures were carried out in accordance with the guidelines and regulations of the Kenyan authorities and Maseno University Ethics Review Committee.
: Not applicable.
: DL, CB, CHN, and RC are employed by Global Good to design and manufacture an oxygen storage system. DO, NOA, BO, SA, EF, DB, MH, and AS have no competing interests to declare.