1. Shahrizaila N, Lehmann HC, Kuwabara S. Guillain-Barré syndrome. Lancet. 2021;397(10280):1214-28. doi: 10.1016/ s0140-6736(21)00517-1. 2. Willison HJ, Jacobs BC, van Doorn PA. Guillain-Barré syndrome. Lancet. 2016;388(10045):717-27. doi: 10.1016/ s0140-6736(16)00339-1. 3. Webb AJ, Brain SA, Wood R, Rinaldi S, Turner MR. Seasonal variation in Guillain-Barré syndrome: a systematic review, meta-analysis and Oxfordshire cohort study. J Neurol Neurosurg Psychiatry. 2015;86(11):1196-201. doi: 10.1136/ jnnp-2014-309056. 4. Schessl J, Luther B, Kirschner J, Mauff G, Korinthenberg R. Infections and vaccinations preceding childhood Guillain-Barré syndrome: a prospective study. Eur J Pediatr. 2006;165(9):605-12. doi: 10.1007/s00431-006-0140-1. 5. Leonhard SE, Mandarakas MR, Gondim FAA, Bateman K, Ferreira MLB, Cornblath DR, et al. Diagnosis and management of Guillain-Barré syndrome in ten steps. Nat Rev Neurol. 2019;15(11):671-83. doi: 10.1038/s41582-019-0250-9. 6. Esposito S, Longo MR. Guillain-Barré syndrome. Autoimmun Rev. 2017;16(1):96-101. doi: 10.1016/j.autrev.2016.09.022. 7. Živkovic S. Intravenous immunoglobulin in the treatment of neurologic disorders. Acta Neurol Scand. 2016;133(2):84-96. doi: 10.1111/ane.12444. 8. Israeli E, Agmon-Levin N, Blank M, Chapman J, Shoenfeld Y. Guillain-Barré syndrome--a classical autoimmune disease triggered by infection or vaccination. Clin Rev Allergy Immunol. 2012;42(2):121-30. doi: 10.1007/s12016-010- 8213-3. 9. Lebrun G, Chadda K, Reboux AH, Martinet O, Gaüzère BA. Guillain-Barré syndrome after chikungunya infection. Emerg Infect Dis. 2009;15(3):495-6. doi: 10.3201/eid1503.071482. 10. Stowe J, Andrews N, Wise L, Miller E. Investigation of the temporal association of Guillain-Barré syndrome with influenza vaccine and influenzalike illness using the United Kingdom General Practice Research Database. Am J Epidemiol. 2009;169(3):382-8. doi: 10.1093/aje/kwn310. 11. Sanz Fadrique R, Martín Arias L, Molina-Guarneros JA, Jimeno Bulnes N, García Ortega P. Guillain-Barré syndrome and influenza vaccines: current evidence. Rev Esp Quimioter. 2019;32(4):288-95. 12. Liu GF, Wu ZL, Wu HS, Wang QY, Zhao-Ri GT, Wang CY, et al. A case-control study on children with Guillain-Barré syndrome in North China. Biomed Environ Sci. 2003;16(2):105-11. 13. Kinnunen E, Junttila O, Haukka J, Hovi T. Nationwide oral poliovirus vaccination campaign and the incidence of Guillain-Barré Syndrome. Am J Epidemiol. 1998;147(1):69-73. doi: 10.1093/oxfordjournals.aje.a009369. 14. Loly JP, Rikir E, Seivert M, Legros E, Defrance P, Belaiche J, et al. Guillain-Barré syndrome following hepatitis E. World J Gastroenterol. 2009;15(13):1645-7. doi: 10.3748/ wjg.15.1645. 15. Morris K, Rylance G. Guillain-Barré syndrome after measles, mumps, and rubella vaccine. Lancet. 1994;343(8888):60. doi: 10.1016/s0140-6736(94)90917-2. 16. Gervaix A, Caflisch M, Suter S, Haenggeli CA. Guillain- Barré syndrome following immunisation with Haemophilus influenzae type b conjugate vaccine. Eur J Pediatr. 1993;152(7):613-4. doi: 10.1007/bf01954093. 17. Melnick SC, Flewett TH. Role of infection in the Guillain-Barré syndrome. J Neurol Neurosurg Psychiatry. 1964;27(5):395- 407. doi: 10.1136/jnnp.27.5.395. 18. De Wals P, Deceuninck G, Toth E, Boulianne N, Brunet D, Boucher RM, et al. Risk of Guillain-Barré syndrome following H1N1 influenza vaccination in Quebec. JAMA. 2012;308(2):175-81. doi: 10.1001/jama.2012.7342. 19. Lin JJ, Hsia SH, Wang HS, Lyu RK, Chou ML, Hung PC, et al. Clinical variants of Guillain-Barré syndrome in children. Pediatr Neurol. 2012;47(2):91-6. doi: 10.1016/j. pediatrneurol.2012.05.011. 20. Asbury AK, Cornblath DR. Assessment of current diagnostic criteria for Guillain-Barré syndrome. Ann Neurol. 1990;27 Suppl:S21-4. doi: 10.1002/ana.410270707. 21. Hadden RD, Cornblath DR, Hughes RA, Zielasek J, Hartung HP, Toyka KV, et al. Electrophysiological classification of Guillain-Barré syndrome: clinical associations and outcome. Plasma Exchange/Sandoglobulin Guillain-Barré Syndrome Trial Group. Ann Neurol. 1998;44(5):780-8. doi: 10.1002/ ana.410440512. 22. Ropper AH. Unusual clinical variants and signs in Guillain- Barré syndrome. Arch Neurol. 1986;43(11):1150-2. doi: 10.1001/archneur.1986.00520110044012. 23. Emilia-Romagna Study Group on Clinical and Epidemiological Problems in Neurology. Guillain-Barré syndrome variants in Emilia-Romagna, Italy, 1992-3: incidence, clinical features, and prognosis. J Neurol Neurosurg Psychiatry. 1998;65(2):218- 24. doi: 10.1136/jnnp.65.2.218. 24. Yuan CL, Wang YJ, Tsai CP. Miller fisher syndrome: a hospital-based retrospective study. Eur Neurol. 2000;44(2):79-85. doi: 10.1159/000008201. 25. Ansari B, Basiri K, Derakhshan Y, Kadkhodaei F, Okhovat AA. Epidemiology and clinical features of Guillain-Barré syndrome in Isfahan, Iran. Adv Biomed Res. 2018;7:87. doi: 10.4103/ abr.abr_50_17. 26. Yadegari S, Kazemi N, Nafissi S. Clinical and electrophysiological features of Guillain-Barré syndrome in Iran. J Clin Neurosci. 2014;21(9):1554-7. doi: 10.1016/j. jocn.2013.11.041. 27. Salehiomran MR, Nikkhah A, Mahdavi M. Prognosis of Guillain-Barré syndrome in children. Iran J Child Neurol. 2016;10(2):38-41. 28. Nagasawa K, Kuwabara S, Misawa S, Fujii K, Tanabe Y, Yuki N, et al. Electrophysiological subtypes and prognosis of childhood Guillain-Barré syndrome in Japan. Muscle Nerve. 2006;33(6):766-70. doi: 10.1002/mus.20520. 29. Mazaheri S, Rezaie AA, Hossein Zadeh A. The ten years survey on clinical and epidemiologic features of Guillain-Barré syndrome in Sina hospital, Hamadan, Iran. Avicenna J Clin Med. 2007;14(2):56-60. [Persian]. 30. Rahimi Jaberi A, Manafi A, Mossallaiepoor A, Ebrahimi MM, Khazforoosh S, Shirazizadeh Mehraban SH, et al. The epidemiologic, clinical and laboratory findings of patients with Guillain-Barré syndrome in Southern Iran since 2007 to 2012. J Fasa Univ Med Sci. 2014;3(4):343-7. [Persian]. 31. de la O-Peña D, Robles-Figueroa M, Chávez-Peña Q, Bedolla- Barajas M. [Features of Guillain-Barré syndrome in adults: results of a university hospital]. Rev Med Inst Mex Seguro Soc. 2015;53(6):678-85. 32. Blaser MJ, Olivares A, Taylor DN, Cornblath DR, McKhann GM. Campylobacter serology in patients with Chinese paralytic syndrome. Lancet. 1991;338(8762):308. doi: 10.1016/0140- 6736(91)90447-w. 33. Yazdchi M, Arami M A, Najmi S, Mansoorpoor L. Evaluation of Heart Rate Variation In the Acute Phase of Guilain-Barre Syndrome And Its Relation to Disease Severity. Feyz 2005; 9 (2) :11-14