[1] Univ Minnesota, Dept Neurol, Minneapolis, MN 55455 USA
[2] Fudan Univ, Huashan Hosp, Dept Neurol, Shanghai, Peoples R China
[3] Univ Belgrade, Univ Clin Ctr Serbia, Fac Med, Neurol Clin, Belgrade, Serbia
[4] Univ Copenhagen, Dept Neurol, Copenhagen, Denmark
[5] Johannes Kepler Univ Linz, Kepler Univ Hosp, Dept Neurol, Linz, Austria
[6] Argenx, Ghent, Belgium
[7] Duke Univ, Sch Med, Durham, NC USA
[8] Virginia Commonwealth Univ, Dept Neurol, Richmond, VA USA
[9] Univ Sheffield, Sheffield Inst Translat Neurosci SITRAN, Sheffield, England
[10] Sheffield Teaching Hosp NHS Fdn Trust, Sheffield, England
[11] Austin Neuromuscular Ctr, Austin, TX USA
[12] Chiba Univ, Grad Sch Med, Dept Neurol, Chiba, Japan
[13] Univ Hosp Bordeaux, AOC Natl Reference Ctr Neuromuscular Disorders, ALS Ctr, Dept Neurol,CHU Bordeaux,NerveMuscle Unit, Bordeaux, France
[14] Christian Albrecht Univ Kiel, Inst Clin Chem, Dept Neurol, Kiel, Germany
[15] Univ Med Ctr Schleswig Holstein, Kiel, Germany
[16] Fourth Mil Med Univ, Tangdu Hosp, Dept Neurol, Xian, Peoples R China
[17] Med Univ Warsaw, Dept Neurol, Warsaw, Poland
[18] European Reference Network Rare Neuromuscular Dis, Paris, France
[19] IRCCS Fdn Ist Neurol Carlo Besta, Milan, Italy
[20] Univ Autonoma Barcelona, Hosp Santa Creu & St Pau, Dept Neurol, Neuromuscular Dis Unit, Barcelona, Spain
[21] Ctr Invest Biomed Red Enfermedades Raras CIBERER, Madrid, Spain
[22] Victor Babes Univ Med & Pharm, Dept Neurol, Timisoara, Romania
[23] Univ S Florida, Dept Neurol, Tampa, FL USA
[24] Kyushu Univ Hosp, Dept Neurol, Fukuoka, Japan
[25] Kyushu Univ, Neurol Inst, Grad Sch Med Sci, Dept Neurol, Fukuoka, Japan
[26] Cedars Sinai Med Ctr, Dept Neurol, Los Angeles, CA USA
[27] Erasmus MC, Univ Med Ctr, Dept Neurol, Rotterdam, Netherlands