Aizaryk D., Kazakhstan

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

Malika K., Kazakhstan

Malika K., Kazakhstan, January 2019, Beta Klinik Bonn, Prof. Dr. med. Christian E. Elger.

Younis Talib Jalal S., Iraq

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

William E., USA

William E., USA, November 2018, University Hospital Saarland Homburg, Prof. Dr. med. Samer Ezziddin.

Sanzhar A., Kazakhtan

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

Oksana K., Belarus

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

Hazem Mahmoud Samy M., Egypt

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

Farid K., Jordan

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

Douglas D., United States

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

William E., USA

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

Omar A., Jordan

Omar A., Jordan, March, 2017, Academic Hospital Augustinerinnen.

Boris T., USA

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

Mykhailo N., Ukraine

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

William E., USA

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

Hrygorii V., Ukraine

Hrygorii V., Ukraine, September 2018, St. Vincentius Hospital Karlsruhe-Academic Hospital of the University of Freiburg, Prof. Dr. Christian Meyer.