Study	Reason for exclusion
Barr 2009	Study did not investigate the management of existing colic
Cook 2012	Participants did not have pre‐existing infantile colic before entry into study
Lim 2013	No access to full paper, but excluded on basis of abstract screening: highly unlikely to meet inclusion criteria as not the correct intervention
McRury 2010	Participants did not have pre‐existing infantile colic before entry into study
Smith 2004	No access to full paper, but excluded on basis of abstract screening: highly unlikely to meet inclusion criteria as not the correct intervention
St James‐Roberts 2001	Participants did not have pre‐existing infantile colic before entry into study
Taubman 1984	Not a randomised controlled trial. Control group did not have infantile colic
Van den Boom 1994	Included participants do not satisfy definition of infantile colic
Wolke 1994	Not a randomised controlled trial