1. Institute of Protein Biochemistry, Ulm University, Ulm, Germany
2. Medical Department V, Amyloidosis Center, Heidelberg University Hospital, Heidelberg, Germany
3. Core Unit Mass Spectrometry and Proteomics, Medical Faculty, Ulm University, Ulm, Germany
4. Medical Department V, Section of Multiple Myeloma, Heidelberg University Hospital, Heidelberg, Germany