Center	Location	Patients (N)
1.	Lehigh Valley Hospital	Allentown, Pennsylvania	142
2.	Marshfield Clinic	Marshfield Wisconsin	121
3.	Columbia University	New York City, New York	91
4.	University of Kentucky Chandler Medical Center	Lexington, Kentucky	88
5.	Hôpital de l'Enfant Jesus	Québec City, Québec, Canada	86
6.	University of California	San Diego, California	78
7.	Loyola University Medical Center	Maywood, Illinois	77
8.	Univerisity of Tennessee	Memphis, Tennessee	74
9.	University Hospital, London	Ontario, Canada	63
10.	Victoria Hospital, London	Ontario, Canada	61
11.	Virginia Mason Clinic	Seattle, Washington	57
12.	University of Cincinatti	Cincinnati, Ohio	55
13.	Bowman Gray School of Medicine	Winston-Salem, North Carolina	52
14.	University of Iowa Hospital and Clinics	Iowa City, Iowa	49
15.	Johns Hopkins Bayview Medical Center	Baltimore, Maryland	46
16.	St. John's Mercy Medical Center	St. Louis, Missouri	44
17.	University of Arizona Health Sciences Center	Tucson, Arizona	42
18.	University of Mississippi Medical Center	Jackson, Mississippi	39
19.	Milton S. Hershey Medical Center	Hershey, Pennsylvania	35
20.	University of Texas Southwestern Medical Center	Dallas, Texas	35
21.	University of California	Los Angeles, California	35
22.	Oregon health Sciences University	Portland, Oregon	34
23.	Yale University	New Haven, Conneticut	34
24.	University of Arkansas for Medical Sciences	Little Rock, Arkansas	32
25.	Medical College of Virginia (VCU)	Richmond, Virginia	27
26.	Barrows Neurological Institute	Phoenix, Arizona	26
27.	Oschner Clinic	New Orleans, Louisiana	21
28.	University of Medicine and Dentistry	Newark, New Jersey	20
29.	New England Medical Center	Boston, Massachussets	19
30.	Henry Ford Hospital	Detroit, Michigan	17
31.	University of New Mexico	Albuquerque, New Mexico	13
32.	Sunnybrook Health Science Centre, University of Toronto	New York, Ontario, Canada	11
33.	Harbin Clinic	Rome, Georgia	10
34.	Roanoke Neurological Associates	Roanoke, Virginia	10
35.	Singing River Hospital	Pasagoula, Mississippi	6
36.	California Pacific Medical Center	San Francisco, California	4
37.	Northwestern University Medical School	Chicago, Illinois	4
38.	University of Rochester	Rochestor, New York	3
39.	Cleveland Clinic	Cleveland, Ohio	1
	Total		1,662

Table 5.

ACAS Investigators