1 Department of Medical Oncology and Haematology, Cantonal Hospital St. Gallen, HOCH Health Ostschweiz, St. Gallen, Switzerland.
2 Department of Medical Oncology and Haematology, Cantonal Hospital St. Gallen, HOCH Health Ostschweiz, St. Gallen, Switzerland; Department of Medical Oncology, University of Bern, Bern, Switzerland. Electronic address: Martin.Frueh@h-och.ch.