Table 4.

The top 10 productive authors in HP/GC.

Rank	Authors	Np	TC	H-index	Affiliations	Countries
1	Peek, Richard M.	50	5,220	32	Vanderbilt University	USA
2	Piazuelo, Maria B.	32	1,643	22	Vanderbilt University	USA
3	Yamaoka, Yoshio	30	1,314	17	Oita University	Japan
4	Romero-Gallo, Judith	27	1,667	20	Vanderbilt University	USA
5	Correa, Pelayo	25	2,031	22	Vanderbilt University	USA
6	Tsukamoto, Tetsuya	25	1,242	17	Fujita Health University	Japan
7	Wilson, Keith T.	24	2,108	18	Vanderbilt University	USA
8	Malfertheiner, Peter	23	964	17	University of Munich	Germany
9	Hatakeyama, Masanori	22	2,473	19	University of Tokyo	Japan
10	Wu, Ming-Shiang	22	1,800	15	National Taiwan University	China