Article History
Received: 3 April 2019
Accepted: 8 July 2019
First Online: 15 August 2019
Compliance with ethical standards
: This work was performed with appropriate ethical approval.
: JHY gratefully acknowledges the support of Professor NGW and Mrs. Ann Macintosh Memorial Scholarship, Discipline of Anatomy and Histology, University of Sydney. The work from the Laboratory of Blood Cell Development, University of Sydney, presented here is supported by NWG Macintosh Memorial Award. STF gratefully thanks the Discipline of Anatomy and Histology, University of Sydney, for their support.
: Jia Hao Yeo declares that he has no conflict of interest. Yun Wah Lam declares that he has no conflict of interest. Stuart T. Fraser declares that he has no conflict of interest.
: This work was performed with the appropriate animal ethics committee (University of Sydney) approval.