1. Department of Medical Genetics, Rare Diseases and Personalized Medicine, CHU Montpellier, Stem Cells, Cellular Plasticity, Regenerative Medicine and Immunotherapies, INSERM, Univ Montpellier, Montpellier, France;
2. Pediatric Nephrology, Rheumatology, Dermatology, University of Lyon, Lyon, France;
3. National Amyloidosis Centre, Centre for Amyloidosis and Acute Phase Proteins, Division of Medicine, London, UK;
4. Department of Internal Medicine, Hôpitaux Privés, Metz, France;
5. Internal Medicine Department, Haut-Lévêque Hospital, Pessac, France;
6. Pediatric Rheumatology Unit, Centre for Child Health, Sir Ganga Ram Hospital, New Delhi, India;
7. Hemato Onco Pediatrics Department, CHRU Nancy, Vandoeuvre les Nancy, France;
8. Department of Biostatistics, University Hospital of Montpellier, Montpellier, France