Beatrix Falkenstein
Stefan Lackermeier
Thomas Meyer
André Lauber
Patricia Faas
Joachim Strienz
Elena Tschumak
Ernst-Günther Tietze
Dr. med. Rainer Adamaszek
Группа авторов
Paul J. Mitchell
Dr. Freia Hünig
Dr. med. Hanspeter Hemgesberg
Dr. med Hanspeter Hemgesberg
Ramona Hanke
Sibylle Reith
Heike Bonin