STROBE complete reporting scores^{^a}

	CRS_All	CRS_Introduction	CRS_Methods	CRS_Results	CRS_Discussion
All (n = 62)	0.64 (0.10)	1.00 (0)	0.56 (0.22)	0.60 (0.20)	0.63 (0.25)
North America (n = 11)	0.62 (0.10)	1.00 (0)	0.52 (0.11)	0.56 (0.22)	0.69 (0.28)
Asia (n = 40)	0.65 (0.11)	1.00 (0)	0.61 (0.17)	0.65 (0.20)	0.63 (0.25)
Europe (n = 6)	0.58 (0.14)	1.00 (0)	0.42 (0.15)	0.60 (0.15)	0.63 (0.19)
Trans-continental collaborations (n = 5)	0.67 (0.05)	1.00 (0)	0.60 (0.07)	0.64 (0.11)	0.73 (0.10)

↵a CRS measures reported in means (SDs) or medians (interquartile range). Summary statistics were chosen on the basis of the test for normality.