**2. Materials and Methods**

#### *2.1. Patient Material*

Blood samples were collected at the University Medical Center Hamburg-Eppendorf and the serum was immediately separated at 2000 g for 10 min, aliquoted, frozen, and stored at −80 ◦C. Table 1 lists information on patients and blood collection days.


**Table 1.** Patient and serum sample information; samples analyzed with peptide and glycan microarrays.
