1. Caritas-Krankenhaus, Medizinische Klinik 2, Bad Mergentheim, Germany
2. Thane Ultrasound Centre, Thane Ultrasound Centre, Thane, India
3. Institut für Med. Mikrobiologie, Immunologie und Parasitologie (IMMIP), Universität Bonn, Bonn, Germany
4. Department of Infectious Disease Epidemiology, Robert Koch-Institute, Berlin, Germany
5. Caritas Krankenhaus Bad Mergentheim, Academic Teaching Hospital of the University of Würzburg, Medical Clinic 2, Bad Mergentheim, Germany
6. Trainings-Zentrum Ultraschall-Diagnostik LS GmbH, Ultrasound, Mainleus, Germany
7. Zhongshan Hospital, Ultrasound, Shanghai, China