Table 1.

Summarizing the articles included in the systematic review.

Number of patients reported by article	Number of articles	Reference number	Individual patient data available
1	11	[7,8,11,12,[14], [15], [16],[18], [19], [20],23]	Yes
2	2	[13,24]	Yes
3	1	[21]	Yes
4	1	[10]	Yes
6	1	[28]	Yes
8	1	[17]	No
24	1	[22]	No
50	1	[9]	No