[1] AARE KLIN, Plast & Aesthet Surg, Bern, Switzerland
[2] Sigmund Freud Univ, Med Sch, Vienna, Austria
[3] Univ Kiel, Inst Diagnost & Intervent Radiol Neuroradiol, Acad Teaching Hosp, Westkuestenklinikum Heide, Lubeck, Germany
[4] Univ Kiel, Inst Diagnost & Intervent Radiol Neuroradiol, Acad Teaching Hosp, Westkuestenklinikum Heide, Hamburg, Germany
[5] Univ Kiel, Inst Diagnost & Intervent Radiol Neuroradiol, Acad Teaching Hosp, Westkuestenklinikum Heide, Heide, Germany