Study	Reason for exclusion
Alavi 1977	Trial of therapeutic granulocytes
Altrichter 2011	Non‐randomised study
Ambinder 1981	Evaluation of different methods
Atay 2011	Non‐randomised study
Baley 1987	Trial of neonates
Bow 1984	Trial of therapeutic granulocytes
Buckner 1983	Combined data for randomised and non‐randomised participants
Christensen 1982	Trial of neonates
DRKS00000218	Trial of therapeutic granulocytes
Freireich 2013	Comparing irradiated versus non‐irradiated granulocytes
Herzig 1977	Trial of therapeutic granulocytes
Higby 1975	Trial of therapeutic granulocytes
Ikemoto 2012	Non‐randomised study assessing granulocyte yield in donors
Klastersky 1983	Trial of therapeutic granulocytes
NCT01932710	Non‐randomised study
Pammi 2011	Systematic review
Price 2014	Trial of therapeutic granulocytes
Scali 1978	Trial of therapeutic granulocytes
Seidel 2008	Trial of therapeutic granulocytes
UMIN000014777	Non‐randomised study
Vogler 1977	Trial of therapeutic granulocytes
Wheeler 1987	Trial of therapeutic granulocytes
Winston 1982	Trial of therapeutic granulocytes