Reference	Right Count	Left Count	Right %	Left %	Notes
Jones1982	47	29	0.620	0.380	Right/left counts derived from reported totals and proportions
Rosenberg2000	2	2	0.500	0.500	
Yamaguchi1994	12	11	0.522	0.478	
Weis2004	2	14	0.125	0.875