1. Institut für Immunologie und Transfusionsmedizin Universitätsmedizin Greifswald Greifswald Germany
2. Department of Internal Medicine IRCCS Policlinico San Matteo Foundation and University of Pavia Pavia Italy
3. Department of Advanced Diagnosis Clinical Research Center National Hospital Organization Nagoya Medical Center Nagoya Japan
4. Institut Hospitalo‐Universitaire LIRYC PTIB Hôpital Xavier Arnozan Pessac France