OLVG, Amsterdam, Netherlands
Laurentius, Roermond, Netherlands
Diakonessenhuis, Utrecht, Netherlands
University Hospital Cologne St. Elisabeth, Cologne, Germany
Royal Hallamshire Hospital, Sheffield, United Kingdom
Royal Cornwall Hospital, Cornwall, United Kingdom
University of Southern Alabama, Mobile, Alabama, United States
Intermountain Healthcare, Ogden, Utah, United States
University of Alabama at Birmingham, Birmingham, Alabama, United States
The Hunstad Kortesis Center for Cosmetic Plastic Surgery and MedSpa, Huntersville, North Carolina, United States
University of Bonn, Bonn, Germany
Erich-Lexer-Klinik, Freiburg, Germany
Rosenpark Klinik, Darmstadt, Germany