Coordinating center and trial steering committee
The present study is a bicentric study which is designed and coordinated in a cooperation between the Goethe University Frankfurt and the Technische Universitaet Dresden. The study team has weekly meetings. There is no additional steering committee.Support for the trial is provided by:Principal investigator: provides supervision for the treatment, has medical responsibility of the patients, designs and plans the studyStudy coordinator: coordinates study procedures, responsible for administrative tasks, reviews study progressStudy therapists: responsible for the implementation of the therapiesClinical raters: responsible for conducting independent clinical evaluations with respect to outcome criteria and inclusion and exclusion criteria