William E., USA

William E., USA, November 2018, University Hospital Saarland Homburg, Dr. Winkler.

Aizaryk D., Kazakhstan

Aizaryk D., Kazakhstan, August, 2017, University Hospital Bonn, Dr. Petrak.

Leila G. N., Iran

Leila G. N., Iran, June 2020, Clinic of Advanced Biological Medicine Frankfurt am Main, Dr. med. Gerhard Siebenhüner

Margit H., Denmark

Margit H., Denmark, July 2020, University Hospital Frankfurt am Main, Prof. Dr. med. Thomas Vogl

Boris T., USA

Boris T., USA, Marth, 2017, Academic Hospital Schwabing, Prof. Dr. med. Robert Ritzel.

Magdy Hamed Mohamed M., Egypt

Magdy Hamed Mohamed M., Egypt, September 2020, University Hospital of Ludwig Maximilian University of Munich, Prof. Dr Becker

Douglas D., United States

Douglas D., United States, October 2018, University Hospital Saarland Homburg, Dr.med. Michel Al Ghazal.

Hazem Mahmoud Samy M., Egypt

Hazem Mahmoud Samy M., Egypt, August, 2017, Preventicum.

Mykhailo N., Ukraine

Mykhailo N., Ukraine, October 2018, Clinic for Molecular Orthopedics Duesseldorf, Priv.-Doz. Dr. Baltzer.

Alla R., Russia

Alla R., Russia, July, 2020, HELIOS Clinic Krefeld, PD Dr. med. Stefan Krämer and Prof. Dr. med. Michael Friedrich.

Irina D., Ukraine

Irina D., Ukraine, September 2020, Hospital Neuwerk Moenchengladbach, Dr. med. Bernard Verhestraeten

Irina K., Belarus

Irina K., Belarus, August, 2017, University Hospital Bonn, Prof. Dr. Finger.

Artavazd and Susambar, Armenia

Artavazd and Susambar, Armenia, November 2017, University Hospital Düsseldorf.

Marina T., Kazakhstan

Marina T., Kazakhstan, January 2020, Specialized Pulmonary Clinic Asklepios Munich-Gauting

Tariq K., United Kingdom

Tariq K., United Kingdom, August 2018, University Hospital Saarland Homburg, Dr. med. Michel Al Ghazal.