Department of Nuclear Medicine, University Hospital Zurich / University of Zurich, Rämistrasse 100, 8091, Zurich, Switzerland

Abdullah A. Alharbi, Abdulrahman A. Albatly, Bert-Ram Sah & Martin W. Huellner

Department of Radiology, College of Medicine, Qassim University, Buraydah, Saudi Arabia

Fahad M. Alshehri

Department of Endocrinology, Diabetes, and Clinical Nutrition, University Hospital Zurich, Rämistrasse 100, 8091, Zurich, Switzerland

Christoph Schmid

Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Zurich, Frauenklinikstrasse 24, 8091, Zurich, Switzerland

Gerhard F. Huber