Hazem Mahmoud Samy M., Egypt

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

Boris T., USA

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

Douglas D., United States

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

Nemattilo T., Kyrgyzstan

Nemattilo T., Kyrgyzstan, July, 2017, Charite University Hospital Berlin, Prof. Dr. Walter Zidek.

Younis Talib Jalal S., Iraq

Younis Talib Jalal S., Iraq, August, 2017, Urological Private Practice, Prof. Dr. med. H. Schuldes.

Farid K., Jordan

Farid K., Jordan, September, 2016, Charite University Hospital Berlin, Prof. Dr. med. Bertram Wiedenmann.

Irina K., Belarus

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

Sanzhar A., Kazakhtan

Sanzhar A., Kazakhtan, November 2017, University Hospital Cologne.

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.

Mykhailo N., Ukraine

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

Artavazd and Susambar, Armenia

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

William E., USA

William E., USA, November 2018, University Hospital Saarland Homburg, Dr. med. Michel Al Ghazal.

Jaroslav V., Sweden

Jaroslav V., Sweden, September 2018, University Hospital Saarland Homburg, Dr. Winkler.

Oksana K., Belarus

Oksana K., Belarus, March, 2017, Park-Clinic Weissensee, PD, Dr. med. Oliver Hauschild.