1. University of Edinburgh; Centre for Clinical Brain Sciences; FU303i, First floor, Chancellor's Building 49 Little France Crescent Edinburgh Midlothian UK EH16 4SB
2. Universiti Kebangsaan Malaysia Medical Centre; Department of Medicine; Jalan Yaacob Latif Bandar Tun Razak Kuala Lumpur Cheras Malaysia 56000
3. University of Nottingham, City Hospital; Stroke Trials Unit, Division of Clinical Neuroscience; Room B56, Clinical Sciences Building, City Hospital Campus, Nottingham UK NG5 1PB
4. Klinikum Frankfurt Höchst; Gotenstr 6-8 Frankfurt Germany 65929
5. Heidelberg University Hospital; Department of Neurology; Heidelberg Germany