Follow-up (conversational analysis) ; Feedback (conversational analysis) ; Language comprehension (pragm.) ; Misunderstanding ; Physician-patient communication; Doctor-patient-communication ; Schichtenspezifischer Sprachgebrauch; Barrierefreiheit (Kommunikationsforschung) ; Communication access; Communication barrier; Language barrier ; Second language acquisition (pragm.) ; Zweitspracherwerb (pragm.) ; Interactionist hypothesis (second language acquisition) ; Conversational analysis (second language acquisition) ; Alto Adige; South Tyrol ; Schweiz (it. Sprache in der) ; Switzerland (Italian language in) ; Italian in Switzerland