1. From the Saddleback Memorial Medical Center, Laguna Hills, CA (R.I.R.)
2. Department of Neurology, University of California, Los Angeles (R.I.R.).
3. Department of Neurology, University of California, Irvine (D.S., W.Y., S.C.C.)
4. Los Alamitos Medical Center, CA (N.P.)
5. Mission Hospital, Mission Viejo, CA (J.R.G.)
6. Orange County Global Medical Center, Santa Ana, CA (D.A.L.)
7. St. Jude Medical Center, Fullerton, CA (J.L.M.)
8. Hoag Neurosciences Institute, Hoag Memorial Hospital, Newport Beach, CA (D.M.B.)
9. St. Joseph Hospital, Orange, CA (M.P.)
10. Orange County Emergency Medical Services, Santa Ana, CA (S.J.S.)
11. Department of Community Health Sciences (S.J.S.)