[1] Univ Hosp LMU Munich, Dept Radiat Oncol, Munich, Germany
[2] Univ Hosp LMU Munich, Inst Neuroradiol, Munich, Germany
[3] Univ Hosp LMU Munich, Dept Med 3, Munich, Germany
[4] Univ Hosp LMU Munich, Dept Dermatol & Allergol, Munich, Germany
[5] Charite Univ Med Berlin, Berlin, Germany
[6] Free Univ Berlin, Berlin, Germany
[7] Humboldt Univ, Dept Dermatol Venereol & Allergol, Berlin, Germany