[1
]
a Christiane Steinert, Clinic for Psychosomatic Medicine and Psychotherapy, University
of Giessen , Germany.
[2
]
b Mareike Hofmann, Clinic for Psychosomatic Medicine and Psychotherapy, University
of Giessen , Germany.
[3
]
c Falk Leichsenring, Clinic for Psychosomatic Medicine and Psychotherapy, University
of Giessen , Germany.
[4
]
d Johannes Kruse, Clinic for Psychosomatic Medicine and Psychotherapy, University
of Giessen, and Clinic for Psychosomatic Medicine and Psychotherapy, University of
Marburg , Germany.