Sample and procedure
MAY, SYNDROME, RECRUITMENT
Patients were recruited through Outpatient Clinics of the University Hospital Basel and through contacts with otorhinolaryngologists. Additional recruitment measures included regional postings, newspaper advertisements, and news reports. The study took place in facilities provided by the Department of Psychology of the University of Basel between May 2012 and December 2017. Patients interested in the study were first screened for study eligibility. All assessments were conducted by specifically trained assessors. Inclusion and exclusion criteria were assessed using self-report questionnaires. Inclusion criteria included age between 18 – 85 years, the ability to understand and read German, presence of Globus syndrome according to Rome III criteriaFollowing the first pre-intervention, patients underwent a 1–2 month waiting period. The pre-intervention assessment took place after the waiting period. After the waiting period, the intervention took place. During the intervention phase, patients filled out online questionnaires following each treatment session. Subsequently, patients underwent a post-intervention assessment. We provide a flowchart of the study procedure in Fig. 