Table 1.

Summary of features and prevalence

Factor	Feature name	No. of papers	Fraction of Papers, %
Paper from United States	United States	176	35
Same country as reviewer	Same	146	29
Female author	Wom	219	44
Famous author	Fam	81	16
Academic	Aca	370	74
Top university	Uni	135	27
Top company	Com	90	18