[1] Saarland University,Department for Otorhinolaryngology and Head
[2] Rudolf Frey Learning Clinic, and Neck
[3] University Medical Centre,Surgery
[4] Johannes Gutenberg University Mainz,Department of Obstetrics and Prenatal Medicine
[5] University Hospital Bonn,Department of Otorhinolaryngology, Head and Neck Surgery
[6] University Hospital Regensburg,Center of Orthopedics, Trauma Surgery, and Spinal Cord Injury
[7] Heidelberg University Hospital,Department of Radiation Oncology and Radiotherapy
[8] BIKUS—Brandenburg Insitute for Clinical Ultrasound,Department of Gynecology and Obstetrics
[9] Brandenburg Medical School Theodor Fontane (MHB),Institute of Interventional Radiology
[10] University Medical Center,Department of Medicine
[11] Johannes Gutenberg University Mainz,undefined
[12] University Medical Center,undefined
[13] Johannes Gutenberg University Mainz,undefined
[14] Hospital Schleswig-Holstein,undefined
[15] University Medical Center,undefined
[16] Johannes Gutenberg University Mainz,undefined
[17] Department of Rhythmology,undefined
[18] Heart and Diabetes Center Bad Oeynhausen,undefined