Dr. med. Hilgenfeld Hilgenfeld

Belegärztin, Privatklinik Bethanien, Zürich 

Establishment of the ENT Center Affoltern am Albis practice

Senior Physician Emergency Center Clinic St. Anna Lucerne

ORL specialist and practice deputy Sihlcity Medical Center Zurich

Specialist FMH-ORL, ENT Clinic Cantonal Hospital Liestal, Prof. Tschopp

Interdisciplinary emergency ward Hirslanden Clinic Zurich, Dr. Fleischmann

Social project in Vietnam with the German Cleftkinderhilfe: operations and therapy optimization for cleft lip and palate children

Assistant physician and regular assignments as senior physician, ENT University Clinic Basel, Prof. Wolfensberger/ Prof. Bodmer

Specialist Assistant Physician, ENT Clinic Cantonal Hospital Aarau, Prof. Podvinec

Pediatric Surgery and Pediatric / Pediatric Surgical Emergency Ward, University Children's Hospital Zurich, Prof. Meuli

Surgery, Limmattal Hospital Schlieren, Prof. Schöb

Specialist examination ORL

Data processing for research purposes, Department of Otorhinolaryngology, RWTH Aachen University, Prof. Westhofen

Chair of Biology at RWTH Aachen University, Prof. Schmidt, teaching students

Dissertation "Guideline-compliant therapy of allergic rhinitis in practice - an evaluation based on 47,953 cases" Univ.-Prof. Dr. med. Dipl.-Ing. Ralph Mösges, Cologne / Aachen (D)

Medical studies in Aachen (D), Zurich and Bern

Student research assistant, sleep laboratory of the Neurological University Clinic of the RWTH Aachen (D), Prof. Noth

Experimental-clinical study, Department of Pediatric Cardiology, RWTH Aachen University, Prof. Seghaye / Prof. von Bernuth