Authors’ contributions
LS and AB have drafted the manuscript. TS, AB and SGB took part in developing the code framework during the coding process under supervision of TE and JG. AB analyzed and interpreted the patient data regarding the applied intervention. CMF, RPK, KS, LS, UR, TE and JG are conducting the main trial. TE and MS developed the study manual and served as the psychological experts in terms for the implementation of the NET especially in setting of primary care. All authors have approved the submitted version of the manuscript have agreed both to be personally accountable for the author's own contributions and to ensure that questions related to the accuracy or integrity of any part of the work, even ones in which the author was not personally involved, are appropriately investigated, resolved, and the resolution documented in the literature.