Table 3.

Top 10 authors with number of publications and number of co-citations

Rank	Author	Np	Countries	Institutions	Author	Nc	Countries	Institutions
1	Colonna, Marco	58	USA	Washington University School of Medicine	Colonna, Marco	13054	USA	Washington University School of Medicine
2	Zetterberg, Henrik	42	Sweden	Institute of Neuroscience and Physiology, University of Gothenburg	Holtzman, David M.	6446	USA	Knight Alzheimer's Disease Research Center, Washington University School of Medicine
3	Haass, Christian	40	Germany	Ludwig-Maximilians University	Ulrich, Jason D.	5048	USA	Knight Alzheimer's Disease Research Center, Washington University School of Medicine
4	Cruchaga, Carlos	36	USA	Knight Alzheimer's Disease Research Center, Washington University School of Medicine	Ulland, Tyler K.	4953	USA	University of Wisconsin
5	Blennow, Kaj	31	Sweden	Institute of Neuroscience and Physiology, University of Gothenburg	Cruchaga, Carlos	4952	USA	Knight Alzheimer's Disease Research Center, Washington University School of Medicine
6	Holtzman, David M.	27	USA	Knight Alzheimer's Disease Research Center, Washington University School of Medicine	Hardy, John	4743	UK	UCL Institute of Neurology, University College London
7	Suarez-Calvet, Marc	26	Spain	Barcelonaβeta Brain Research Center(BBRC)	Haass, Christian	4542	Germany	Ludwig-Maximilians University
8	Hardy, John	23	UK	UCL Institute of Neurology, University College London	Gilfillan, Susan	4212	USA	Washington University School of Medicine
9	Kleinberger, Gernot	22	Germany	Adolf-Butenandt Institute, Ludwig-Maximilians University	Butovsky, Oleg	4189	USA	Brigham and Women's Hospital, Harvard Medical School
10	Xu, Huaxi	21	China	Institute of Neuroscience, Xiamen University	Cella, Marina	3985	USA	Washington University School of Medicine

Nc: Number of Citations; Np: number of publications.