1. Department of Internal Medicine, Amyloidosis Center of Expertise, University Medical Center Groningen, 9700 RB Groningen, The Netherlands
2. Service de Neurologie, CHU Bicêtre, Assistance Publique—Hôpitaux de Paris, University Paris-Saclay, CERAMIC, Le Kremlin-Bicêtre, 94270 Paris, France
3. Department of Neurology, University of Pennsylvania, Philadelphia, PA 19104, USA
4. UOC Neurologia, Fondazione Policlinico A. Gemelli IRCCS, 00168 Rome, Italy
5. Dipartimento di Neuroscienze, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
6. Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
7. Centre for Neuromuscular Diseases, Department of Neuromuscular Diseases, UCL Queen Square Institute of Neurology, London WC1N 3BG, UK
8. Department of Medicine (Neurology and Rheumatology), Shinshu University School of Medicine, Matsumoto 390-8621, Japan
9. Department of Rheumatology & Clinical Immunology, Amyloidosis Center of Expertise, University Medical Center Groningen, 9700 RB Groningen, The Netherlands