Etiology of febrile neurological syndromes in low- and middle-income countries: results from the Fiebre study by Andelic, SA, Lal, S, Bramugy, J, Valente, M, Olaru, I, Lungraj, M, Phimolsarnnousith, V, Chansamouth, V, Chimenya, M, Green, E, Feasey, N, Dubot-Peres, A, Mayxay, M, Ashley, E, Newton, P, Kranzer, K, Yeung, S, Hopkins, H, Mabey, D, Bassat, Q