1Department of Internal Medicine, EOC Regional Hospital of Lugano, 6903 Lugano, Switzerland
2Cardiovascular Imaging Department, Istituto Cardiocentro Ticino, EOC Regional Hospital of Lugano, Lugano, Switzerland
3Diagnostic Microbiology, Department of Laboratory Medicine, EOC Regional Hospital of Bellinzona and Valleys, Via Mirasole 22a, 6500 Bellinzona, Switzerland
4Department of Infectious Diseases, EOC Regional Hospital of Lugano, 6903 Lugano, Switzerland
5University of Geneva, Geneva, and University of Southern Switzerland, Lugano, Switzerland