Table 3.

Most productive authors.

No	Authors	Articles	Authors	Articles fractionalized
1	Karppinen J	24	Battié MC	3.56
2	Wang JC	19	Wang Y	3.28
3	Sairyo K	18	Karppinen J	3.21
4	Samartzis D	17	Lee S-H	3.19
5	Wang Y	17	Boden SD	3.12
6	Battié MC	16	Wang JC	2.90
7	Ekşi MS	15	Ekşi MS	2.87
8	Lotz JC	14	Jarvik JG	2.78
9	Özcan-Ekşi EE	14	Özcan-Ekşi EE	2.62
10	Liu Y	12	Videman T	2.41
11	Niinimäki J	12	Sairyo K	2.38
12	Sakai T	12	Jinkins JR	2.25
13	Jensen TS	11	Samartzis D	2.21
14	Lee S-H	10	Le Huec J-C	2.01
15	Luk KDK	10	Benoist M	2.00
16	Chen J	9	Chang Mc	1.92
17	Chen Y	9	Chaudhary V	1.92
18	Cheung KMC	9	Wang Z-X	1.92
19	Espeland A	9	Luk KDK	1.81
20	Hebelka H	9	Feydy A	1.77

Articles fractionalized: fractional authorship measures the extent of an individual author's input across a collection of published papers, under the assumption that each co-author contributes equally to every document.