[1] Lielje Grp, Hosp Management & Stress Med IREHA, Inst Innovat Rehabil, Loehne, Germany
[2] Dermatologikum Hamburg, Dept Allergol & Occupat Dermatol, Hamburg, Germany
[3] Univ Osnabrueck, Inst Interdisciplinary Dermatol Prevent & Rehabil, Lower Saxony Inst Occupat Dermatol NIB, Osnabruck, Germany
[4] Hannover Med Sch, Clin Dermatol Allergol & Venerol, Hannover, NH, Germany
[5] Heidelberg Univ, Dept Clin Social Med, Ctr Hlth Syst Res Occupat & Environm Dermatol, Heidelberg, Germany