[1] Ctr Dis Control & Prevent, Natl Ctr Chron Dis Prevent & Hlth Promot, Div Populat Hlth, 4770 Buford Highway NE,MS 107-6, Atlanta, MS 30341 USA
[2] Ctr Dis Control & Prevent CDC, ASRT Inc, Epilepsy Program, Div Populat Hlth,Natl Ctr Chron Dis Prevent & Hlt, Mail Stop 107-6,4770 Buford Hwy, Atlanta, GA 30341 USA
[3] Univ Hosp Cleveland Med Ctr, 10524 Euclid Ave, Cleveland, OH 44106 USA
[4] Dartmouth Geisel Sch Med, 1 Rope Ferry Rd, Hanover, NH 03755 USA