Study design
RECRUITMENT
In a two-group parallel RCT, LoChro-Care (intervention group, IG) was compared with usual care (control group, CG). The study was conducted at the Medical Center, University of Freiburg, Germany. Recruitment took place between January 2018 and March 2020. From the beginning of 2020, several procedures were adjusted due to the COVID-19 pandemic. From then on, we conducted the follow-up assessments, as well as the intervention contacts, exclusively by telephone. Ethical approval was granted by the ethics council of the University of Freiburg, Germany (495/17). The study follows the CONSORT guideline for reporting results from randomized trials [