1. Department of Medicine V, Amyloidosis Center and Division of Hematology, Oncology and Rheumatology, University of Heidelberg, Heidelberg, Germany;
2. Department of Medicine I, Endocrinology and Clinical Laboratory Medicine, University of Heidelberg, Heidelberg, Germany;
3. Department of Medicine I, Division of Nephrology, University of Heidelberg, Heidelberg, Germany;
4. Institute of Pathology, University of Kiel, Kiel, Germany